Vulnerability Name:

CVE-2018-20103 (CCN-154271)

Assigned:2018-12-12
Published:2018-12-12
Updated:2022-06-02
Summary:An issue was discovered in dns.c in HAProxy through 1.8.14. In the case of a compressed pointer, a crafted packet can trigger infinite recursion by making the pointer point to itself, or create a long chain of valid pointers resulting in stack exhaustion.
CVSS v3 Severity:7.5 High (CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H)
6.5 Medium (Temporal CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/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): None
Integrity (I): None
Availibility (A): High
5.3 Medium (CCN CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L)
4.6 Medium (CCN Temporal CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/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): None
Integrity (I): None
Availibility (A): Low
CVSS v2 Severity:5.0 Medium (CVSS v2 Vector: AV:N/AC:L/Au:N/C:N/I:N/A:P)
Exploitability Metrics:Access Vector (AV): Network
Access Complexity (AC): Low
Authentication (Au): None
Impact Metrics:Confidentiality (C): None
Integrity (I): None
Availibility (A): Partial
5.0 Medium (CCN CVSS v2 Vector: AV:N/AC:L/Au:N/C:N/I:N/A:P)
Exploitability Metrics:Access Vector (AV): Network
Access Complexity (AC): Low
Athentication (Au): None
Impact Metrics:Confidentiality (C): None
Integrity (I): None
Availibility (A): Partial
Vulnerability Type:CWE-835
Vulnerability Consequences:Denial of Service
References:Source: MITRE
Type: CNA
CVE-2018-20103

Source: CCN
Type: haproxy GIT Repository
BUG: dns: Prevent stack-exhaustion via recursion loop in dns_read_name

Source: MISC
Type: Patch, Third Party Advisory
http://git.haproxy.org/?p=haproxy.git;a=commit;h=58df5aea0a0c926b2238f65908f5e9f83d1cca25

Source: BID
Type: Third Party Advisory, VDB Entry
106280

Source: REDHAT
Type: Third Party Advisory
RHBA-2019:0326

Source: REDHAT
Type: Third Party Advisory
RHBA-2019:0327

Source: REDHAT
Type: UNKNOWN
RHSA-2019:1436

Source: XF
Type: UNKNOWN
haproxy-cve201820103-dos(154271)

Source: MLIST
Type: UNKNOWN
[debian-lts-announce] 20220530 [SECURITY] [DLA 3034-1] haproxy security update

Source: UBUNTU
Type: Third Party Advisory
USN-3858-1

Source: CCN
Type: IBM Security Bulletin 1127211 (Watson Studio Local)
Multiple Vulnerabilities in HAProxy affects IBM Watson Studio Local

Vulnerable Configuration:Configuration 1:
  • cpe:/a:haproxy:haproxy:*:*:*:*:*:*:*:* (Version <= 1.8.14)

    • Configuration 2:
  • cpe:/o:canonical:ubuntu_linux:16.04:*:*:*:lts:*:*:*
  • OR cpe:/o:canonical:ubuntu_linux:18.04:*:*:*:lts:*:*:*
  • OR cpe:/o:canonical:ubuntu_linux:18.10:*:*:*:*:*:*:*

    • Configuration 3:
  • cpe:/a:redhat:openshift_container_platform:3.11:*:*:*:*:*:*:*

    • Configuration CCN 1:
  • cpe:/a:haproxy:haproxy:1.8.14:*:*:*:*:*:*:*

    • * Denotes that component is vulnerable
    Oval Definitions
    Definition IDClassTitleLast Modified
    oval:org.opensuse.security:def:201820103
    V
    		CVE-2018-20103
    2022-09-02
    oval:org.opensuse.security:def:18
    P
    		bluez-5.55-1.57 on GA media (Moderate)
    2022-06-13
    oval:org.opensuse.security:def:112392
    P
    		haproxy-2.4.4+git0.acb1d0bea-1.2 on GA media (Moderate)
    2022-01-17
    oval:org.opensuse.security:def:4167
    P
    		Security update for webkit2gtk3 (Important)
    2021-11-03
    oval:org.opensuse.security:def:4159
    P
    		Security update for webkit2gtk3 (Important)
    2021-10-12
    oval:org.opensuse.security:def:4222
    P
    		Security update for ffmpeg (Moderate)
    2021-10-06
    oval:org.opensuse.security:def:105902
    P
    		haproxy-2.4.4+git0.acb1d0bea-1.2 on GA media (Moderate)
    2021-10-01
    oval:org.opensuse.security:def:4281
    P
    		Security update for the Linux Kernel (Important)
    2021-09-23
    oval:org.opensuse.security:def:67541
    P
    		Security update for the Linux Kernel (Important)
    2021-08-17
    oval:org.opensuse.security:def:5061
    P
    		Security update for freeradius-server (Moderate)
    2021-06-11
    oval:org.opensuse.security:def:70894
    P
    		dstat-0.7.3-2.16 on GA media (Moderate)
    2021-06-08
    oval:org.opensuse.security:def:70781
    P
    		Security update for gstreamer, gstreamer-plugins-bad, gstreamer-plugins-base, gstreamer-plugins-good, gstreamer-plugins-ugly (Important)
    2021-06-01
    oval:org.opensuse.security:def:5039
    P
    		Security update for graphviz (Critical)
    2021-05-19
    oval:org.opensuse.security:def:4401
    P
    		Security update for the Linux Kernel (Live Patch 11 for SLE 12 SP5) (Important)
    2021-04-28
    oval:org.opensuse.security:def:4397
    P
    		Security update for the Linux Kernel (Live Patch 6 for SLE 12 SP5) (Important)
    2021-04-28
    oval:org.opensuse.security:def:4387
    P
    		Security update for the Linux Kernel (Live Patch 11 for SLE 12 SP5) (Important)
    2021-04-07
    oval:org.opensuse.security:def:4180
    P
    		Security update for avahi (Moderate)
    2021-02-23
    oval:org.opensuse.security:def:4394
    P
    		Security update for the Linux Kernel (Important)
    2021-01-15
    oval:org.opensuse.security:def:4362
    P
    		Security update for the Linux Kernel (Live Patch 1 for SLE 12 SP5) (Important)
    2020-12-07
    oval:org.opensuse.security:def:103193
    P
    		haproxy-1.8.17~git0.e89d25b2-6.23 on GA media (Moderate)
    2020-12-03
    oval:org.opensuse.security:def:89538
    P
    		haproxy-1.8.17~git0.e89d25b2-6.23 on GA media (Moderate)
    2020-12-03
    oval:org.opensuse.security:def:96503
    P
    		haproxy-1.8.17~git0.e89d25b2-6.23 on GA media (Moderate)
    2020-12-03
    oval:org.opensuse.security:def:4265
    P
    		Security update for the Linux Kernel (Live Patch 4 for SLE 15) (Important)
    2020-12-02
    oval:org.opensuse.security:def:4342
    P
    		Security update for the Linux Kernel (Live Patch 14 for SLE 15) (Important)
    2020-12-02
    oval:org.opensuse.security:def:4253
    P
    		Security update for the Linux Kernel (Live Patch 9 for SLE 15) (Important)
    2020-12-02
    oval:org.opensuse.security:def:67441
    P
    		Security update for the Linux Kernel (Important)
    2020-12-01
    oval:org.opensuse.security:def:64107
    P
    		Security update for mariadb (Moderate)
    2020-12-01
    oval:org.opensuse.security:def:64194
    P
    		haproxy on GA media (Moderate)
    2020-12-01
    oval:com.ubuntu.xenial:def:2018201030000000
    V
    		CVE-2018-20103 on Ubuntu 16.04 LTS (xenial) - medium.
    2018-12-12
    oval:com.ubuntu.bionic:def:201820103000
    V
    		CVE-2018-20103 on Ubuntu 18.04 LTS (bionic) - medium.
    2018-12-12
    oval:com.ubuntu.cosmic:def:201820103000
    V
    		CVE-2018-20103 on Ubuntu 18.10 (cosmic) - medium.
    2018-12-12
    oval:com.ubuntu.cosmic:def:2018201030000000
    V
    		CVE-2018-20103 on Ubuntu 18.10 (cosmic) - medium.
    2018-12-12
    oval:com.ubuntu.trusty:def:201820103000
    V
    		CVE-2018-20103 on Ubuntu 14.04 LTS (trusty) - medium.
    2018-12-12
    oval:com.ubuntu.bionic:def:2018201030000000
    V
    		CVE-2018-20103 on Ubuntu 18.04 LTS (bionic) - medium.
    2018-12-12
    oval:com.ubuntu.xenial:def:201820103000
    V
    		CVE-2018-20103 on Ubuntu 16.04 LTS (xenial) - medium.
    2018-12-12
    BACK
    haproxy haproxy *
    canonical ubuntu linux 16.04
    canonical ubuntu linux 18.04
    canonical ubuntu linux 18.10
    redhat openshift container platform 3.11
    haproxy haproxy 1.8.14