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
Products affected by CVE-2017-12942
- cpe:2.3:a:rarlab:unrar:*:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2017-12942
0.30%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 65 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2017-12942
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
|---|---|---|---|---|---|---|
|
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
-
The product performs operations on a memory buffer, but it reads from or writes to a memory location outside the buffer's intended boundary. This may result in read or write operations on unexpected memory locations that could be linked to other variables, data structures, or internal program data.Assigned by: nvd@nist.gov (Primary)
References for CVE-2017-12942
-
http://seclists.org/oss-sec/2017/q3/290
oss-sec: UnRAR: directory traversal + memory safety bugsExploit;Mailing List;Third Party Advisory
-
https://security.gentoo.org/glsa/201709-24
RAR, UnRAR: Multiple vulnerabilities (GLSA 201709-24) — Gentoo security
-
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)
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