Vulnerability Name:

CVE-2020-10933 (CCN-181416)

Assigned:2020-03-31
Published:2020-03-31
Updated:2022-05-03
Summary:An issue was discovered in Ruby 2.5.x through 2.5.7, 2.6.x through 2.6.5, and 2.7.0. If a victim calls BasicSocket#read_nonblock(requested_size, buffer, exception: false), the method resizes the buffer to fit the requested size, but no data is copied. Thus, the buffer string provides the previous value of the heap. This may expose possibly sensitive data from the interpreter.
CVSS v3 Severity:5.3 Medium (CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N)
4.6 Medium (Temporal CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N/E:U/RL:O/RC:C)
Exploitability Metrics:Attack Vector (AV): Network
Attack Complexity (AC): Low
Privileges Required (PR): None
User Interaction (UI): None
Scope:Scope (S): Unchanged
Impact Metrics:Confidentiality (C): Low
Integrity (I): None
Availibility (A): None
5.3 Medium (CCN CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N)
4.6 Medium (CCN Temporal CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N/E:U/RL:O/RC:C)
Exploitability Metrics:Attack Vector (AV): Network
Attack Complexity (AC): Low
Privileges Required (PR): None
User Interaction (UI): None
Scope:Scope (S): Unchanged
Impact Metrics:Confidentiality (C): Low
Integrity (I): None
Availibility (A): None
5.3 Medium (REDHAT CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N)
4.6 Medium (REDHAT Temporal CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N/E:U/RL:O/RC:C)
Exploitability Metrics:Attack Vector (AV): Network
Attack Complexity (AC): Low
Privileges Required (PR): None
User Interaction (UI): None
Scope:Scope (S): Unchanged
Impact Metrics:Confidentiality (C): Low
Integrity (I): None
Availibility (A): None
CVSS v2 Severity:5.0 Medium (CVSS v2 Vector: AV:N/AC:L/Au:N/C:P/I:N/A:N)
Exploitability Metrics:Access Vector (AV): Network
Access Complexity (AC): Low
Authentication (Au): None
Impact Metrics:Confidentiality (C): Partial
Integrity (I): None
Availibility (A): None
5.0 Medium (CCN CVSS v2 Vector: AV:N/AC:L/Au:N/C:P/I:N/A:N)
Exploitability Metrics:Access Vector (AV): Network
Access Complexity (AC): Low
Athentication (Au): None
Impact Metrics:Confidentiality (C): Partial
Integrity (I): None
Availibility (A): None
Vulnerability Type:CWE-908
CWE-200
Vulnerability Consequences:Obtain Information
References:Source: MITRE
Type: CNA
CVE-2020-10933

Source: XF
Type: UNKNOWN
ruby-cve202010933-info-disc(181416)

Source: FEDORA
Type: Mailing List, Third Party Advisory
FEDORA-2020-a95706b117

Source: CCN
Type: Ubuntu CVE Tracker
CVE-2020-10933

Source: CONFIRM
Type: Third Party Advisory
https://security.netapp.com/advisory/ntap-20200625-0001/

Source: DEBIAN
Type: Third Party Advisory
DSA-4721

Source: CCN
Type: IBM Security Bulletin 6498497 (Cloud Foundry Migration Runtime)
Multiple security vulnerabilities affect IBM Cloud Foundry Migration Runtime

Source: CCN
Type: Ruby Web site
CVE-2020-10933: Heap exposure vulnerability in the socket library

Source: CONFIRM
Type: Exploit, Vendor Advisory
https://www.ruby-lang.org/en/news/2020/03/31/heap-exposure-in-socket-cve-2020-10933/

Vulnerable Configuration:Configuration 1:
  • cpe:/a:ruby-lang:ruby:*:*:*:*:*:*:*:* (Version >= 2.5.0 and <= 2.5.7)
  • OR cpe:/a:ruby-lang:ruby:*:*:*:*:*:*:*:* (Version >= 2.6.0 and <= 2.6.5)
  • OR cpe:/a:ruby-lang:ruby:2.7.0:*:*:*:*:*:*:*
  • AND
  • cpe:/o:linux:linux_kernel:-:*:*:*:*:*:*:*

  • Configuration 2:
  • cpe:/o:fedoraproject:fedora:31:*:*:*:*:*:*:*

  • Configuration 3:
  • cpe:/o:debian:debian_linux:10.0:*:*:*:*:*:*:*

  • Configuration RedHat 1:
  • cpe:/a:redhat:enterprise_linux:8:*:*:*:*:*:*:*

  • Configuration RedHat 2:
  • cpe:/a:redhat:enterprise_linux:8::appstream:*:*:*:*:*

  • Configuration CCN 1:
  • cpe:/a:airbrake:airbrake_ruby:2.7.0:*:*:*:*:*:*:*
  • OR cpe:/a:ruby-lang:ruby:2.6.5:*:*:*:*:*:*:*
  • OR cpe:/a:ruby-lang:ruby:2.5.7:*:*:*:*:*:*:*

  • * Denotes that component is vulnerable
    Oval Definitions
    Definition IDClassTitleLast Modified
    oval:org.opensuse.security:def:202010933
    V
    CVE-2020-10933
    2023-06-22
    oval:org.opensuse.security:def:7660
    P
    libruby2_5-2_5-2.5.9-150000.4.26.1 on GA media (Moderate)
    2023-06-12
    oval:org.opensuse.security:def:787
    P
    Security update for slurm (Important)
    2022-09-29
    oval:org.opensuse.security:def:3246
    P
    libquicktime0-1.2.4-14.3.1 on GA media (Moderate)
    2022-06-28
    oval:org.opensuse.security:def:3184
    P
    libhogweed2-2.7.1-12.1 on GA media (Moderate)
    2022-06-28
    oval:org.opensuse.security:def:3248
    P
    librelp0-1.2.12-3.3.1 on GA media (Moderate)
    2022-06-28
    oval:org.opensuse.security:def:3249
    P
    libruby2_1-2_1-2.1.9-18.1 on GA media (Moderate)
    2022-06-28
    oval:org.opensuse.security:def:3157
    P
    libass5-0.10.2-3.1 on GA media (Moderate)
    2022-06-28
    oval:org.opensuse.security:def:3234
    P
    libpng15-15-1.5.22-9.1 on GA media (Moderate)
    2022-06-28
    oval:org.opensuse.security:def:3136
    P
    libXext6-1.3.2-4.3.1 on GA media (Moderate)
    2022-06-28
    oval:org.opensuse.security:def:3195
    P
    libjpeg-turbo-1.5.3-31.14.2 on GA media (Moderate)
    2022-06-28
    oval:org.opensuse.security:def:3252
    P
    libsmi-0.4.8-18.55 on GA media (Moderate)
    2022-06-28
    oval:org.opensuse.security:def:3176
    P
    libgcrypt20-1.6.1-16.68.1 on GA media (Moderate)
    2022-06-28
    oval:org.opensuse.security:def:3143
    P
    libXpm4-3.5.11-5.1 on GA media (Moderate)
    2022-06-28
    oval:org.opensuse.security:def:3225
    P
    libopus0-1.1-3.1 on GA media (Moderate)
    2022-06-28
    oval:org.opensuse.security:def:3131
    P
    libSoundTouch0-1.7.1-5.11.1 on GA media (Moderate)
    2022-06-28
    oval:org.opensuse.security:def:3070
    P
    freeradius-server-3.0.19-1.48 on GA media (Moderate)
    2022-06-28
    oval:org.opensuse.security:def:1810
    P
    Security update for the Linux Kernel (Important)
    2022-06-24
    oval:org.opensuse.security:def:94700
    P
    libruby2_5-2_5-2.5.9-150000.4.23.1 on GA media (Moderate)
    2022-06-22
    oval:org.opensuse.security:def:1809
    P
    Security update for the Linux Kernel (Important)
    2022-06-14
    oval:org.opensuse.security:def:193
    P
    libruby2_5-2_5-2.5.9-4.17.1 on GA media (Moderate)
    2022-06-13
    oval:org.opensuse.security:def:1811
    P
    Security update for gimp (Moderate) (in QA)
    2022-05-27
    oval:org.opensuse.security:def:1819
    P
    Security update for MozillaThunderbird (Important)
    2022-03-21
    oval:org.opensuse.security:def:1814
    P
    Security update for MozillaThunderbird (Important)
    2022-02-23
    oval:org.opensuse.security:def:93843
    P
    (Important)
    2022-02-18
    oval:org.opensuse.security:def:112814
    P
    libruby2_7-2_7-2.7.3-3.2 on GA media (Moderate)
    2022-01-17
    oval:org.opensuse.security:def:112817
    P
    libruby3_0-3_0-3.0.1-3.2 on GA media (Moderate)
    2022-01-17
    oval:org.opensuse.security:def:69774
    P
    Security update for log4j (Important)
    2021-12-17
    oval:org.opensuse.security:def:68371
    P
    Security update for the Linux Kernel (Live Patch 0 for SLE 15 SP3) (Important)
    2021-11-19
    oval:org.opensuse.security:def:69149
    P
    Security update for krb5 (Moderate)
    2021-10-18
    oval:org.opensuse.security:def:64592
    P
    Security update for krb5 (Moderate)
    2021-10-18
    oval:org.opensuse.security:def:106284
    P
    libruby3_0-3_0-3.0.1-3.2 on GA media (Moderate)
    2021-10-01
    oval:org.opensuse.security:def:106283
    P
    libruby2_7-2_7-2.7.3-3.2 on GA media (Moderate)
    2021-10-01
    oval:org.opensuse.security:def:64762
    P
    Security update for apache2 (Important)
    2021-09-03
    oval:org.opensuse.security:def:1122
    P
    Security update for jetty-minimal (Moderate)
    2021-08-25
    oval:org.opensuse.security:def:48326
    P
    tpm2.0-tools-3.1.4-1.12 on GA media (Moderate)
    2021-08-16
    oval:org.opensuse.security:def:48327
    P
    transfig-3.2.5e-2.3.2 on GA media (Moderate)
    2021-08-16
    oval:org.opensuse.security:def:48342
    P
    xen-4.12.1_06-1.1 on GA media (Moderate)
    2021-08-16
    oval:org.opensuse.security:def:63338
    P
    libecpg6-13.2-5.6.1 on GA media (Moderate)
    2021-08-10
    oval:org.opensuse.security:def:71827
    P
    glibc-2.31-7.30 on GA media (Moderate)
    2021-08-09
    oval:org.opensuse.security:def:63045
    P
    velocity-1.7-3.3.1 on GA media (Moderate)
    2021-08-09
    oval:org.opensuse.security:def:62835
    P
    vorbis-tools-1.4.0-1.53 on GA media (Moderate)
    2021-08-09
    oval:org.opensuse.security:def:100969
    P
    libruby2_5-2_5-2.5.9-4.17.1 on GA media (Moderate)
    2021-08-09
    oval:org.opensuse.security:def:62211
    P
    libruby2_5-2_5-2.5.9-4.17.1 on GA media (Moderate)
    2021-08-09
    oval:org.opensuse.security:def:72502
    P
    libexif-devel-0.6.22-5.6.1 on GA media (Moderate)
    2021-08-09
    oval:org.opensuse.security:def:71952
    P
    libruby2_5-2_5-2.5.9-4.17.1 on GA media (Moderate)
    2021-08-09
    oval:com.redhat.rhsa:def:20212587
    P
    RHSA-2021:2587: ruby:2.5 security, bug fix, and enhancement update (Moderate)
    2021-06-29
    oval:com.redhat.rhsa:def:20212588
    P
    RHSA-2021:2588: ruby:2.6 security, bug fix, and enhancement update (Moderate)
    2021-06-29
    oval:org.opensuse.security:def:69879
    P
    Security update for cryptctl (Important)
    2021-06-23
    oval:org.opensuse.security:def:62842
    P
    apache-pdfbox-1.8.12-3.77 on GA media (Moderate)
    2021-06-08
    oval:org.opensuse.security:def:63541
    P
    icedtea-web-1.7.1-1.48 on GA media (Moderate)
    2021-06-08
    oval:org.opensuse.security:def:48464
    P
    libXcursor1-1.1.14-3.59 on GA media (Moderate)
    2021-06-08
    oval:org.opensuse.security:def:48890
    P
    ImageMagick-6.8.8.1-71.85.1 on GA media (Moderate)
    2021-06-08
    oval:org.opensuse.security:def:48660
    P
    zoo-2.10-1020.56 on GA media (Moderate)
    2021-06-08
    oval:org.opensuse.security:def:62839
    P
    FastCGI-2.4.0-2.23 on GA media (Moderate)
    2021-06-08
    oval:org.opensuse.security:def:62867
    P
    pam-devel-32bit-1.3.0-4.10 on GA media (Moderate)
    2021-06-08
    oval:org.opensuse.security:def:48797
    P
    libpolkit0-32bit-0.113-5.6.1 on GA media (Moderate)
    2021-06-08
    oval:org.opensuse.security:def:69046
    P
    Security update for postgresql13 (Moderate)
    2021-05-27
    oval:org.opensuse.security:def:74704
    P
    Security update for python3 (Moderate)
    2021-05-11
    oval:org.opensuse.security:def:64490
    P
    Security update for avahi (Moderate)
    2021-05-04
    oval:org.opensuse.security:def:64650
    P
    Security update for python3 (Moderate)
    2021-02-19
    oval:org.opensuse.security:def:66431
    P
    Security update for python3 (Important)
    2020-12-23
    oval:org.opensuse.security:def:1832
    P
    perl-Tk-devel-804.034-1.44 on GA media (Moderate)
    2020-12-03
    oval:org.opensuse.security:def:72386
    P
    libexif-devel-0.6.21-5.3.1 on GA media (Moderate)
    2020-12-03
    oval:org.opensuse.security:def:2478
    P
    argyllcms-1.9.2-2.27 on GA media (Moderate)
    2020-12-03
    oval:org.opensuse.security:def:100556
    P
    libruby2_5-2_5-2.5.8-4.11.1 on GA media (Moderate)
    2020-12-03
    oval:org.opensuse.security:def:61876
    P
    libruby2_5-2_5-2.5.8-4.11.1 on GA media (Moderate)
    2020-12-03
    oval:org.opensuse.security:def:3890
    P
    freeradius-server-devel-3.0.19-1.48 on GA media (Moderate)
    2020-12-03
    oval:org.opensuse.security:def:1823
    P
    openldap2-devel-32bit-2.4.46-9.3.1 on GA media (Moderate)
    2020-12-03
    oval:org.opensuse.security:def:71617
    P
    libruby2_5-2_5-2.5.8-4.11.1 on GA media (Moderate)
    2020-12-03
    oval:org.opensuse.security:def:1836
    P
    rpm-build-4.14.1-10.16.1 on GA media (Moderate)
    2020-12-03
    oval:org.opensuse.security:def:3903
    P
    git-2.12.3-27.17.2 on GA media (Moderate)
    2020-12-03
    oval:org.opensuse.security:def:116780
    P
    libruby2_5-2_5-2.5.8-4.11.1 on GA media (Moderate)
    2020-12-03
    oval:org.opensuse.security:def:1830
    P
    perl-Net-Libproxy-0.4.15-2.42 on GA media (Moderate)
    2020-12-03
    oval:org.opensuse.security:def:1835
    P
    python3-tools-3.6.5-3.11.1 on GA media (Moderate)
    2020-12-03
    oval:org.opensuse.security:def:107222
    P
    libruby2_5-2_5-2.5.8-4.11.1 on GA media (Moderate)
    2020-12-03
    oval:org.opensuse.security:def:49041
    P
    libvpx1-32bit-1.3.0-3.3.1 on GA media (Moderate)
    2020-12-03
    oval:org.opensuse.security:def:71711
    P
    radvd-2.17-3.18 on GA media (Moderate)
    2020-12-03
    oval:org.opensuse.security:def:1820
    P
    ncurses-devel-32bit-6.1-5.3.1 on GA media (Moderate)
    2020-12-03
    oval:org.opensuse.security:def:2474
    P
    MozillaThunderbird-60.6.1-3.28.1 on GA media (Moderate)
    2020-12-03
    oval:org.opensuse.security:def:74837
    P
    Security update for ruby2.5 (Moderate)
    2020-12-01
    oval:org.opensuse.security:def:49668
    P
    libical-devel on GA media (Moderate)
    2020-12-01
    oval:org.opensuse.security:def:52273
    P
    Security update for containerd, docker, docker-runc, golang-github-docker-libnetwork (Moderate)
    2020-12-01
    oval:org.opensuse.security:def:50413
    P
    Security update for python-paramiko (Important)
    2020-12-01
    oval:org.opensuse.security:def:66523
    P
    libruby2_5-2_5 on GA media (Moderate)
    2020-12-01
    oval:org.opensuse.security:def:64383
    P
    libsndfile-devel on GA media (Moderate)
    2020-12-01
    oval:org.opensuse.security:def:49262
    P
    libxerces-c-3_1 on GA media (Moderate)
    2020-12-01
    oval:org.opensuse.security:def:50997
    P
    Security update for MozillaThunderbird and mozilla-nspr (Important)
    2020-12-01
    oval:org.opensuse.security:def:50154
    P
    libavcodec-devel on GA media (Moderate)
    2020-12-01
    oval:org.opensuse.security:def:52335
    P
    Security update for ruby2.5 (Moderate)
    2020-12-01
    oval:org.opensuse.security:def:49413
    P
    gtk2-data on GA media (Moderate)
    2020-12-01
    oval:org.opensuse.security:def:65037
    P
    Security update for libqt5-qtbase (Important)
    2020-12-01
    oval:org.opensuse.security:def:64246
    P
    emacs on GA media (Moderate)
    2020-12-01
    oval:org.opensuse.security:def:73096
    P
    graphviz on GA media (Moderate)
    2020-12-01
    oval:org.opensuse.security:def:68474
    P
    Security update for ruby2.5 (Moderate)
    2020-12-01
    oval:org.opensuse.security:def:49478
    P
    open-vm-tools-desktop on GA media (Moderate)
    2020-12-01
    oval:org.opensuse.security:def:49796
    P
    osc on GA media (Moderate)
    2020-12-01
    oval:org.opensuse.security:def:50657
    P
    Security update for ghostscript (Moderate)
    2020-12-01
    oval:org.opensuse.security:def:49174
    P
    libidn-devel on GA media (Moderate)
    2020-12-01
    oval:org.opensuse.security:def:49648
    P
    libSDL2-2_0-0 on GA media (Moderate)
    2020-12-01
    oval:org.opensuse.security:def:63688
    P
    Security update for ucode-intel (Important)
    2020-12-01
    oval:org.opensuse.security:def:49509
    P
    eog on GA media (Moderate)
    2020-12-01
    oval:org.opensuse.security:def:65127
    P
    Security update for ruby2.5 (Moderate)
    2020-12-01
    oval:org.opensuse.security:def:50824
    P
    Security update for libqt5-qtbase (Important)
    2020-12-01
    oval:org.opensuse.security:def:49348
    P
    unixODBC on GA media (Moderate)
    2020-12-01
    oval:org.opensuse.security:def:65712
    P
    Security update for tomcat (Moderate)
    2020-12-01
    oval:org.opensuse.security:def:49649
    P
    libSoundTouch0 on GA media (Moderate)
    2020-12-01
    oval:org.opensuse.security:def:50254
    P
    transfig on GA media (Moderate)
    2020-12-01
    oval:org.opensuse.security:def:50891
    P
    Security update for librsvg (Moderate)
    2020-12-01
    oval:org.opensuse.security:def:49228
    P
    libruby2_5-2_5 on GA media (Moderate)
    2020-12-01
    oval:org.opensuse.security:def:64382
    P
    libsmi on GA media (Moderate)
    2020-12-01
    oval:org.opensuse.security:def:50857
    P
    Security update for kernel-firmware (Important)
    2020-12-01
    oval:org.opensuse.security:def:50923
    P
    Security update for curl (Important)
    2020-12-01
    oval:org.opensuse.security:def:65802
    P
    Security update for ruby2.5 (Moderate)
    2020-12-01
    oval:org.opensuse.security:def:50003
    P
    gtk-vnc-devel on GA media (Moderate)
    2020-12-01
    oval:org.opensuse.security:def:73214
    P
    libruby2_5-2_5 on GA media (Moderate)
    2020-12-01
    oval:org.opensuse.security:def:50750
    P
    Security update for sysstat (Low)
    2020-12-01
    oval:org.opensuse.security:def:63917
    P
    Security update for shibboleth-sp (Moderate)
    2020-12-01
    oval:org.opensuse.security:def:49581
    P
    libtiff5-32bit on GA media (Moderate)
    2020-12-01
    oval:org.opensuse.security:def:50914
    P
    Security update for ruby2.5 (Moderate)
    2020-12-01
    oval:org.opensuse.security:def:110499
    P
    Security update for ruby2.5 (Moderate)
    2020-05-01
    oval:org.opensuse.security:def:91192
    P
    Security update for ruby2.5 (Moderate)
    2020-04-15
    oval:org.opensuse.security:def:104123
    P
    Security update for ruby2.5 (Moderate)
    2020-04-15
    oval:org.opensuse.security:def:104847
    P
    Security update for ruby2.5 (Moderate)
    2020-04-15
    oval:org.opensuse.security:def:97433
    P
    Security update for ruby2.5 (Moderate)
    2020-04-15
    oval:org.opensuse.security:def:90468
    P
    Security update for ruby2.5 (Moderate)
    2020-04-15
    oval:org.opensuse.security:def:98157
    P
    Security update for ruby2.5 (Moderate)
    2020-04-15
    oval:org.opensuse.security:def:75553
    P
    Security update for ruby2.5 (Moderate)
    2020-04-15
    BACK
    ruby-lang ruby *
    ruby-lang ruby *
    ruby-lang ruby 2.7.0
    linux linux kernel -
    fedoraproject fedora 31
    debian debian linux 10.0
    airbrake airbrake ruby 2.7.0
    ruby-lang ruby 2.6.5
    ruby-lang ruby 2.5.7