Vulnerability Details : CVE-2016-4354
ber-decoder.c in Libksba before 1.3.3 uses an incorrect integer data type, which allows remote attackers to cause a denial of service (crash) via crafted BER data, which leads to a buffer overflow.
Vulnerability category: OverflowDenial of service
Exploit prediction scoring system (EPSS) score for CVE-2016-4354
Probability of exploitation activity in the next 30 days: 1.31%
Percentile, the proportion of vulnerabilities that are scored at or less: ~ 84 % EPSS Score History EPSS FAQ
CVSS scores for CVE-2016-4354
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source |
|---|---|---|---|---|---|
|
5.0
|
MEDIUM | AV:N/AC:L/Au:N/C:N/I:N/A:P |
10.0
|
2.9
|
NIST |
|
7.5
|
HIGH | CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |
3.9
|
3.6
|
NIST |
CWE ids for CVE-2016-4354
-
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-2016-4354
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http://www.ubuntu.com/usn/USN-2982-1
USN-2982-1: Libksba vulnerabilities | Ubuntu security notices
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http://www.openwall.com/lists/oss-security/2016/04/29/5
oss-security - CVE request: three issues in libksba
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http://git.gnupg.org/cgi-bin/gitweb.cgi?p=libksba.git;a=commit;h=aea7b6032865740478ca4b706850a5217f1c3887
git.gnupg.org Git - libksba.git/commit
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https://security.gentoo.org/glsa/201604-04
libksba: Multiple vulnerabilities (GLSA 201604-04) — Gentoo security
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http://www.openwall.com/lists/oss-security/2016/04/29/8
oss-security - Re: CVE request: three issues in libksba
Products affected by CVE-2016-4354
- cpe:2.3:a:gnupg:libksba:*:*:*:*:*:*:*:*
- cpe:2.3:o:canonical:ubuntu_linux:12.04:*:*:*:lts:*:*:*
- cpe:2.3:o:canonical:ubuntu_linux:14.04:*:*:*:lts:*:*:*