Vulnerability Name:

CVE-2017-14121 (CCN-131378)

Assigned:2017-08-20
Published:2017-08-20
Updated:2021-10-18
Summary:The DecodeNumber function in unrarlib.c in unrar 0.0.1 (aka unrar-free or unrar-gpl) suffers from a NULL pointer dereference flaw triggered by a crafted RAR archive.
Note: this may be the same as one of the several test cases in the CVE-2017-11189 references.
CVSS v3 Severity:5.5 Medium (CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H)
4.9 Medium (Temporal CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H/E:U/RL:U/RC:R)
Exploitability Metrics:Attack Vector (AV): Local
Attack Complexity (AC): Low
Privileges Required (PR): None
User Interaction (UI): Required
Scope:Scope (S): Unchanged
Impact Metrics:Confidentiality (C): None
Integrity (I): None
Availibility (A): High
5.5 Medium (CCN CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H)
4.9 Medium (CCN Temporal CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H/E:U/RL:U/RC:R)
Exploitability Metrics:Attack Vector (AV): Local
Attack Complexity (AC): Low
Privileges Required (PR): None
User Interaction (UI): Required
Scope:Scope (S): Unchanged
Impact Metrics:Confidentiality (C): None
Integrity (I): None
Availibility (A): High
CVSS v2 Severity:4.3 Medium (CVSS v2 Vector: AV:N/AC:M/Au:N/C:N/I:N/A:P)
Exploitability Metrics:Access Vector (AV): Network
Access Complexity (AC): Medium
Authentication (Au): None
Impact Metrics:Confidentiality (C): None
Integrity (I): None
Availibility (A): Partial
4.6 Medium (CCN CVSS v2 Vector: AV:L/AC:L/Au:S/C:N/I:N/A:C)
Exploitability Metrics:Access Vector (AV): Local
Access Complexity (AC): Low
Athentication (Au): Single_Instance
Impact Metrics:Confidentiality (C): None
Integrity (I): None
Availibility (A): Complete
Vulnerability Type:CWE-476
Vulnerability Consequences:Denial of Service
References:Source: MITRE
Type: CNA
CVE-2017-14121

Source: MISC
Type: Mailing List, Third Party Advisory
http://www.openwall.com/lists/oss-security/2017/08/20/1

Source: MISC
Type: Issue Tracking, Third Party Advisory
https://bugs.debian.org/874061

Source: CCN
Type: Debian Bug report logs - #874061
unrar-free: CVE-2017-14121: null pointer dereference

Source: XF
Type: UNKNOWN
unrar-cve201714121-dos(131378)

Source: MLIST
Type: Mailing List, Third Party Advisory
[debian-lts-announce] 20210218 [SECURITY] [DLA 2567-1] unrar-free security update

Source: CCN
Type: gentoo linux Web site
unrar-gpl

Vulnerable Configuration:Configuration 1:
  • cpe:/a:rarlab:unrar:0.0.1:*:*:*:*:*:*:*

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

    • Configuration CCN 1:
  • cpe:/a:rarlab:unrar:0.0.1:*:*:*:*:*:*:*

    • * Denotes that component is vulnerable
    Oval Definitions
    Definition IDClassTitleLast Modified
    oval:com.ubuntu.xenial:def:2017141210000000
    V
    		CVE-2017-14121 on Ubuntu 16.04 LTS (xenial) - medium.
    2017-09-03
    oval:com.ubuntu.artful:def:201714121000
    V
    		CVE-2017-14121 on Ubuntu 17.10 (artful) - medium.
    2017-09-03
    oval:com.ubuntu.xenial:def:201714121000
    V
    		CVE-2017-14121 on Ubuntu 16.04 LTS (xenial) - medium.
    2017-09-03
    oval:com.ubuntu.disco:def:2017141210000000
    V
    		CVE-2017-14121 on Ubuntu 19.04 (disco) - medium.
    2017-09-03
    oval:com.ubuntu.bionic:def:201714121000
    V
    		CVE-2017-14121 on Ubuntu 18.04 LTS (bionic) - medium.
    2017-09-03
    oval:com.ubuntu.cosmic:def:2017141210000000
    V
    		CVE-2017-14121 on Ubuntu 18.10 (cosmic) - medium.
    2017-09-03
    oval:com.ubuntu.cosmic:def:201714121000
    V
    		CVE-2017-14121 on Ubuntu 18.10 (cosmic) - medium.
    2017-09-03
    oval:com.ubuntu.bionic:def:2017141210000000
    V
    		CVE-2017-14121 on Ubuntu 18.04 LTS (bionic) - medium.
    2017-09-03
    oval:com.ubuntu.trusty:def:201714121000
    V
    		CVE-2017-14121 on Ubuntu 14.04 LTS (trusty) - medium.
    2017-09-03
    BACK
    rarlab unrar 0.0.1
    debian debian linux 9.0
    rarlab unrar 0.0.1