Vulnerability Name:

CVE-2018-20721 (CCN-155688)

Assigned:2018-12-08
Published:2018-12-08
Updated:2021-12-16
Summary:URI_FUNC() in UriParse.c in uriparser before 0.9.1 has an out-of-bounds read (in uriParse*Ex* functions) for an incomplete URI with an IPv6 address containing an embedded IPv4 address, such as a "//[::44.1" address.
CVSS v3 Severity:9.8 Critical (CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H)
8.5 High (Temporal CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/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): High
Integrity (I): High
Availibility (A): High
7.3 High (CCN CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L)
6.4 Medium (CCN Temporal CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L/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): Low
Availibility (A): Low
CVSS v2 Severity:7.5 High (CVSS v2 Vector: AV:N/AC:L/Au:N/C:P/I:P/A:P)
Exploitability Metrics:Access Vector (AV): Network
Access Complexity (AC): Low
Authentication (Au): None
Impact Metrics:Confidentiality (C): Partial
Integrity (I): Partial
Availibility (A): Partial
7.5 High (CCN CVSS v2 Vector: AV:N/AC:L/Au:N/C:P/I:P/A:P)
Exploitability Metrics:Access Vector (AV): Network
Access Complexity (AC): Low
Athentication (Au): None
Impact Metrics:Confidentiality (C): Partial
Integrity (I): Partial
Availibility (A): Partial
Vulnerability Type:CWE-125
Vulnerability Consequences:Gain Access
References:Source: MITRE
Type: CNA
CVE-2018-20721

Source: XF
Type: UNKNOWN
uriparser-cve201820721-code-exec(155688)

Source: CONFIRM
Type: Release Notes, Third Party Advisory
https://github.com/uriparser/uriparser/blob/master/ChangeLog

Source: CCN
Type: uriparser GIT Repository
Fix uriParse Ex out-of-bounds read

Source: CONFIRM
Type: Patch, Third Party Advisory
https://github.com/uriparser/uriparser/commit/cef25028de5ff872c2e1f0a6c562eb3ea9ecbce4

Source: MLIST
Type: Mailing List, Third Party Advisory
[debian-lts-announce] 20190218 [SECURITY] [DLA 1682-1] uriparser security update

Source: MLIST
Type: Mailing List, Third Party Advisory
[debian-lts-announce] 20211130 [SECURITY] [DLA 2834-1] uriparser security update

Source: CCN
Type: WhiteSource Vulnerability Database
CVE-2018-20721

Vulnerable Configuration:Configuration 1:
  • cpe:/a:uriparser_project:uriparser:*:*:*:*:*:*:*:* (Version < 0.9.1)

    • Configuration 2:
  • cpe:/o:debian:debian_linux:8.0:*:*:*:*:*:*:*
  • OR cpe:/o:debian:debian_linux:9.0:*:*:*:*:*:*:*

    • Configuration CCN 1:
  • cpe:/a:uriparser_project:uriparser:0.9.0:*:*:*:*:*:*:*

    • * Denotes that component is vulnerable
    Oval Definitions
    Definition IDClassTitleLast Modified
    oval:org.opensuse.security:def:201820721
    V
    		CVE-2018-20721
    2022-06-30
    oval:org.opensuse.security:def:3273
    P
    		libupsclient1-2.7.4-3.3.1 on GA media (Moderate)
    2022-06-28
    oval:org.opensuse.security:def:3261
    P
    		libssh2-1-1.4.3-20.9.1 on GA media (Moderate)
    2022-06-28
    oval:org.opensuse.security:def:112892
    P
    		liburiparser1-0.9.5-1.2 on GA media (Moderate)
    2022-01-17
    oval:org.opensuse.security:def:51706
    P
    		Security update for webkit2gtk3 (Important)
    2021-12-01
    oval:org.opensuse.security:def:106352
    P
    		liburiparser1-0.9.5-1.2 on GA media (Moderate)
    2021-10-01
    oval:org.opensuse.security:def:51644
    P
    		Security update for the Linux Kernel (Live Patch 37 for SLE 12 SP3) (Important)
    2021-08-25
    oval:org.opensuse.security:def:2542
    P
    		libpoppler73-0.62.0-2.33 on GA media (Moderate)
    2020-12-03
    oval:org.opensuse.security:def:49050
    P
    		python-devel-2.7.13-28.31.1 on GA media (Moderate)
    2020-12-03
    oval:org.opensuse.security:def:2536
    P
    		libgadu-devel-1.12.2-1.44 on GA media (Moderate)
    2020-12-03
    oval:org.opensuse.security:def:2554
    P
    		strongswan-nm-5.8.2-9.2 on GA media (Moderate)
    2020-12-03
    oval:org.opensuse.security:def:2532
    P
    		icedtea-web-1.7.1-5.13 on GA media (Moderate)
    2020-12-03
    oval:org.opensuse.security:def:49049
    P
    		pulseaudio-module-bluetooth-5.0-4.1 on GA media (Moderate)
    2020-12-03
    oval:org.opensuse.security:def:2623
    P
    		Security update for docker-runc (Moderate)
    2020-12-02
    oval:org.opensuse.security:def:2568
    P
    		Security update for zeromq (Moderate)
    2020-12-02
    oval:org.opensuse.security:def:2583
    P
    		Security update for ceph (Moderate)
    2020-12-02
    oval:org.opensuse.security:def:2613
    P
    		Security update for runc (Moderate)
    2020-12-02
    oval:org.opensuse.security:def:2574
    P
    		Security update for tcpdump (Moderate)
    2020-12-02
    oval:org.opensuse.security:def:2607
    P
    		Security update for docker (Moderate)
    2020-12-02
    oval:org.opensuse.security:def:2621
    P
    		Security update for buildah (Moderate)
    2020-12-02
    oval:org.opensuse.security:def:49644
    P
    		libICE6-32bit on GA media (Moderate)
    2020-12-01
    oval:org.opensuse.security:def:50039
    P
    		sysstat-isag on GA media (Moderate)
    2020-12-01
    oval:org.opensuse.security:def:50199
    P
    		libproxy1-config-gnome3 on GA media (Moderate)
    2020-12-01
    oval:org.opensuse.security:def:49195
    P
    		libmp3lame0 on GA media (Moderate)
    2020-12-01
    oval:org.opensuse.security:def:50368
    P
    		Security update for gnutls (Important)
    2020-12-01
    oval:org.opensuse.security:def:49546
    P
    		libexif-devel on GA media (Moderate)
    2020-12-01
    oval:org.opensuse.security:def:50264
    P
    		Security update for openvpn (Moderate)
    2020-12-01
    oval:org.opensuse.security:def:49801
    P
    		perl-Mail-SpamAssassin-Plugin-iXhash2 on GA media (Moderate)
    2020-12-01
    oval:org.opensuse.security:def:50129
    P
    		jakarta-taglibs-standard on GA media (Moderate)
    2020-12-01
    oval:org.opensuse.security:def:49068
    P
    		collectd on GA media (Moderate)
    2020-12-01
    oval:org.opensuse.security:def:50295
    P
    		Security update for xen (Important)
    2020-12-01
    oval:org.opensuse.security:def:49400
    P
    		fetchmailconf on GA media (Moderate)
    2020-12-01
    oval:com.ubuntu.xenial:def:2018207210000000
    V
    		CVE-2018-20721 on Ubuntu 16.04 LTS (xenial) - medium.
    2019-01-16
    oval:com.ubuntu.bionic:def:201820721000
    V
    		CVE-2018-20721 on Ubuntu 18.04 LTS (bionic) - medium.
    2019-01-16
    oval:com.ubuntu.disco:def:2018207210000000
    V
    		CVE-2018-20721 on Ubuntu 19.04 (disco) - medium.
    2019-01-16
    oval:com.ubuntu.cosmic:def:201820721000
    V
    		CVE-2018-20721 on Ubuntu 18.10 (cosmic) - medium.
    2019-01-16
    oval:com.ubuntu.cosmic:def:2018207210000000
    V
    		CVE-2018-20721 on Ubuntu 18.10 (cosmic) - medium.
    2019-01-16
    oval:com.ubuntu.trusty:def:201820721000
    V
    		CVE-2018-20721 on Ubuntu 14.04 LTS (trusty) - medium.
    2019-01-16
    oval:com.ubuntu.bionic:def:2018207210000000
    V
    		CVE-2018-20721 on Ubuntu 18.04 LTS (bionic) - medium.
    2019-01-16
    oval:com.ubuntu.xenial:def:201820721000
    V
    		CVE-2018-20721 on Ubuntu 16.04 LTS (xenial) - medium.
    2019-01-16
    BACK
    uriparser_project uriparser *
    debian debian linux 8.0
    debian debian linux 9.0
    uriparser_project uriparser 0.9.0