Vulnerability Details : CVE-2017-12942
libunrar.a in UnRAR before 5.5.7 has a buffer overflow in the Unpack::LongLZ function.
Vulnerability category: Overflow
Exploit prediction scoring system (EPSS) score for CVE-2017-12942
Probability of exploitation activity in the next 30 days: 0.30%
Percentile, the proportion of vulnerabilities that are scored at or less: ~ 65 % EPSS Score History EPSS FAQ
CVSS scores for CVE-2017-12942
Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source |
---|---|---|---|---|---|
7.5
|
HIGH | AV:N/AC:L/Au:N/C:P/I:P/A:P |
10.0
|
6.4
|
NIST |
9.8
|
CRITICAL | CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
3.9
|
5.9
|
NIST |
CWE ids for CVE-2017-12942
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The product performs operations on a memory buffer, but it can read from or write to a memory location that is outside of the intended boundary of the buffer.Assigned by: nvd@nist.gov (Primary)
References for CVE-2017-12942
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http://seclists.org/oss-sec/2017/q3/290
oss-sec: UnRAR: directory traversal + memory safety bugsExploit;Mailing List;Third Party Advisory
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https://security.gentoo.org/glsa/201709-24
RAR, UnRAR: Multiple vulnerabilities (GLSA 201709-24) — Gentoo security
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https://kc.mcafee.com/corporate/index?page=content&id=SB10241
McAfee Security Bulletin - Web Gateway update fixes several vulnerabilities (CVE-2018-6667, CVE-2018-1124, CVE-2017-12940, CVE-2017-12941, and CVE-2017-12942)
Products affected by CVE-2017-12942
- cpe:2.3:a:rarlab:unrar:*:*:*:*:*:*:*:*