Vulnerability Details : CVE-2016-4574
Off-by-one error in the append_utf8_value function in the DN decoder (dn.c) in Libksba before 1.3.4 allows remote attackers to cause a denial of service (out-of-bounds read) via invalid utf-8 encoded data. NOTE: this vulnerability exists because of an incomplete fix for CVE-2016-4356.
Vulnerability category: Denial of service
Products affected by CVE-2016-4574
- cpe:2.3:a:gnupg:libksba:*:*:*:*:*:*:*:*
- cpe:2.3:o:canonical:ubuntu_linux:15.10:*:*:*:*:*:*:*
- cpe:2.3:o:canonical:ubuntu_linux:12.04:*:*:*:lts:*:*:*
- cpe:2.3:o:canonical:ubuntu_linux:14.04:*:*:*:lts:*:*:*
- cpe:2.3:o:canonical:ubuntu_linux:16.04:*:*:*:lts:*:*:*
- cpe:2.3:o:opensuse:opensuse:13.2:*:*:*:*:*:*:*
- cpe:2.3:o:opensuse:leap:42.1:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2016-4574
1.41%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 79 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2016-4574
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
|---|---|---|---|---|---|---|
|
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-2016-4574
-
Assigned by: nvd@nist.gov (Primary)
References for CVE-2016-4574
-
http://www.ubuntu.com/usn/USN-2982-1
USN-2982-1: Libksba vulnerabilities | Ubuntu security notices
-
http://www.openwall.com/lists/oss-security/2016/05/10/4
oss-security - Re: CVE request: three issues in libksba
-
http://git.gnupg.org/cgi-bin/gitweb.cgi?p=libksba.git%3Ba=commit%3Bh=6be61daac047d8e6aa941eb103f8e71a1d4e3c75
git.gnupg.org Git
-
http://git.gnupg.org/cgi-bin/gitweb.cgi?p=libksba.git;a=commit;h=6be61daac047d8e6aa941eb103f8e71a1d4e3c75
git.gnupg.org Git - libksba.git/commit
-
http://lists.opensuse.org/opensuse-updates/2016-06/msg00028.html
openSUSE-SU-2016:1525-1: moderate: Security update for libksba
-
http://lists.opensuse.org/opensuse-updates/2016-05/msg00087.html
openSUSE-SU-2016:1370-1: moderate: Security update for libksba
-
http://www.openwall.com/lists/oss-security/2016/05/10/3
oss-security - Re: Re: CVE request: three issues in libksba
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