Home/CVE/libunrar.a in UnRAR before 5.5.7 has a buffer overflow in the Unpack::LongLZ function.
CVE

CVE-2017-12942

libunrar.a in UnRAR before 5.5.7 has a buffer overflow in the Unpack::LongLZ function.

libunrar.a in UnRAR before 5.5.7 has a buffer overflow in the Unpack::LongLZ function.

CRITICAL · CVSS 9.8 EPSS 0.00479
Schedule remediation
  • CVSS base score ≥ 7.0
Sigma rules0 YARA rules0
⬡

Weakness Classification

CWE-119Improper Restriction of Operations within the Bounds of a Memory Buffer
▤

Affected Products & Versions

1
rarlab unrar<= 5.5.6
▣

Scoring & Timeline

9.8
CRITICAL · CVSS v3.0 · cve@mitre.org
View on NVD
Attack Vector
Network Adjacent Local Physical
Attack Complexity
Low High
Privileges Required
None Low High
User Interaction
None Required
Scope
Unchanged Changed
Confidentiality
None Low High
Integrity
None Low High
Availability
None Low High
Published to NVD18 Aug 2017 · 02:29 PM
CVSS VectorCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
⚑

Vendor Advisories

2
suse-csafSUSE-SU-2021:2834-1
suse-csafSUSE-SU-2018:0862-1
🔗

References & Sources

3
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
http://seclists.org/oss-sec/2017/q3/290ExploitMailing ListThird Party Advisory
https://kc.mcafee.com/corporate/index?page=content&id=SB10241
https://security.gentoo.org/glsa/201709-24
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