Vulnerability Report

CVE-2017-14121

Title: Rarlab Unrar Memory Corruption

Memory Corruption

Proof Of Concept

No public PoC currently indexed for CVE-2017-14121.

CWE Category CWE-476

Published Date Sep 03, 2017

Modified Date Jun 17, 2026

Exploit Status Not Found

Score 5.5 CVSS v3.1

Exploit Probability (EPSS)

1.12%

Vulnerability Summary

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. NOTE: this may be the same as one of the several test cases in the CVE-2017-11189 references.

Impacted Vendors

rarlab 1

Reference Links

http://www.openwall.com/lists/oss-security/2017/08/20/1 https://bugs.debian.org/874061 https://lists.debian.org/debian-lts-announce/2021/02/msg00026.html http://www.openwall.com/lists/oss-security/2017/08/20/1 https://bugs.debian.org/874061 https://lists.debian.org/debian-lts-announce/2021/02/msg00026.html

CVSS v3.1

Source Entity [email protected]

Severity MEDIUM

5.5

Attack Vector

LOCAL

Complexity

LOW

Privileges

N/A

Interaction

REQUIRED

Confidentiality

N/A

Integrity

N/A

Availability

N/A

Scope

UNCHANGED

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

CVSS v2.0

Source Entity [email protected]

Severity MEDIUM

4.3

Access Vector

N/A

Authentication

N/A

RAW VECTOR AV:N/AC:M/Au:N/C:N/I:N/A:P

Associated Attack Patterns (CAPEC)

Total: Patterns