Medium severity · published Sep 3, 2017
CVE-2017-14121
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
5.5
CVSS
1.1%
EPSS
No
On KEV
Description
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 vector
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
Attack vector
Local
Complexity
Low
Privileges
None
User interaction
Required
Confidentiality
None
Integrity
None
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)1.1% · higher than 66% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
DL
Debian Linux · Debian
9.0 · source: NVD
UN
Unrar · Rarlab
0.0.1 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2017-14121
CVE.org
https://www.cve.org/CVERecord?id=CVE-2017-14121
Mailing List
http://www.openwall.com/lists/oss-security/2017/08/20/1
Issue Tracking
https://bugs.debian.org/874061
Mailing List
https://lists.debian.org/debian-lts-announce/2021/02/msg00026.html
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