High severity · published Jun 13, 2016
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…
7.5
CVSS
2.8%
EPSS
No
On KEV
Description
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.
CVSS vector
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
None
Integrity
None
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)2.8% · higher than 86% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
LE
Leap · Opensuse
42.1 · source: NVD
LI
Libksba · Gnupg
through 1.3.3 · source: NVD
OP
Opensuse · Opensuse
13.2 · source: NVD
UL
Ubuntu Linux · Canonical
12.04; 14.04; 15.10; 16.04 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2016-4574
CVE.org
https://www.cve.org/CVERecord?id=CVE-2016-4574
git.gnupg.org
http://git.gnupg.org/cgi-bin/gitweb.cgi?p=libksba.git%3Ba=commit%3Bh=6be61daac047d8e6aa941eb103f8e71a1d4e3c75
lists.opensuse.org
http://lists.opensuse.org/opensuse-updates/2016-05/msg00087.html
lists.opensuse.org
http://lists.opensuse.org/opensuse-updates/2016-06/msg00028.html
www.openwall.com
http://www.openwall.com/lists/oss-security/2016/05/10/3
www.openwall.com
http://www.openwall.com/lists/oss-security/2016/05/10/4
www.ubuntu.com
http://www.ubuntu.com/usn/USN-2982-1
More from Ubuntu Linux
9.8
CVE-2020-11651
SaltStack Salt Authentication Bypass Vulnerability
9.8
CVE-2020-7247
OpenSMTPD Remote Code Execution Vulnerability
9.8
CVE-2019-11043
Underflow in PHP-FPM can lead to RCE
9.8
CVE-2019-16928
Exim Out-of-bounds Write Vulnerability
9.8
CVE-2019-10149
Exim Mail Transfer Agent (MTA) Improper Input Validation