CVE-2017-14121 — MEDIUM (5.5)

Vulnerability 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 Score

5.5

MEDIUM

CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

REQUIRED

Scope

UNCHANGED

Confidentiality

NONE

Integrity

NONE

Availability

HIGH

Affected Products

Vendor	Product	Versions
Rarlab	Unrar	0.0.1
Debian	Debian Linux	9.0

Related Weaknesses (CWE)

CWE-476

References

http://www.openwall.com/lists/oss-security/2017/08/20/1Mailing ListThird Party Advisory
https://bugs.debian.org/874061Issue TrackingThird Party Advisory
https://lists.debian.org/debian-lts-announce/2021/02/msg00026.htmlMailing ListThird Party Advisory
http://www.openwall.com/lists/oss-security/2017/08/20/1Mailing ListThird Party Advisory
https://bugs.debian.org/874061Issue TrackingThird Party Advisory
https://lists.debian.org/debian-lts-announce/2021/02/msg00026.htmlMailing ListThird Party Advisory

FAQ

What is CVE-2017-14121?

CVE-2017-14121 is a vulnerability with a CVSS score of 5.5 (MEDIUM). 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 ...

How severe is CVE-2017-14121?

CVE-2017-14121 has been rated MEDIUM with a CVSS base score of 5.5/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2017-14121?

Check the references section above for vendor advisories and patch information. Affected products include: Rarlab Unrar, Debian Debian Linux.