Vulnerability Report

CVE-2017-12940

Title: Rarlab Unrar Memory Corruption

Memory Corruption

Proof Of Concept

No public PoC currently indexed for CVE-2017-12940.

CWE Category CWE-125

Published Date Aug 18, 2017

Modified Date Jun 17, 2026

Exploit Status Not Found

Score 9.8 CVSS v3.0

Exploit Probability (EPSS)

2.26%

Vulnerability Summary

CVE-2017-12940: libunrar.a in UnRAR before 5.5.7 has an out-of-bounds read in the EncodeFileName::Decode call within the Archive::ReadHeader15 function.

Impacted Vendors

rarlab 1

Reference Links

http://seclists.org/oss-sec/2017/q3/290 https://kc.mcafee.com/corporate/index?page=content&id=SB10241 https://security.gentoo.org/glsa/201709-24 http://seclists.org/oss-sec/2017/q3/290 https://kc.mcafee.com/corporate/index?page=content&id=SB10241 https://security.gentoo.org/glsa/201709-24

CVSS v3.0

Source Entity [email protected]

Severity CRITICAL

9.8

Attack Vector

NETWORK

Complexity

LOW

Privileges

N/A

Interaction

NONE

Confidentiality

N/A

Integrity

N/A

Availability

N/A

Scope

UNCHANGED

RAW VECTOR CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

CVSS v2.0

Source Entity [email protected]

Severity HIGH

7.5

Access Vector

N/A

Authentication

N/A

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

Associated Attack Patterns (CAPEC)

Total: Patterns