Vulnerability CVE-2015-3622
Published: 2015-05-12

Description:
The _asn1_extract_der_octet function in lib/decoding.c in GNU Libtasn1 before 4.5 allows remote attackers to cause a denial of service (out-of-bounds heap read) via a crafted certificate.

Type:

CWE-119

 (Improper Restriction of Operations within the Bounds of a Memory Buffer)

CVSS2 => (AV:N/AC:M/Au:N/C:N/I:N/A:P)

CVSS Base Score
Impact Subscore
Exploitability Subscore
4.3/10
2.9/10
8.6/10
Exploit range
Attack complexity
Authentication
Remote
Medium
No required
Confidentiality impact
Integrity impact
Availability impact
None
None
Partial
Affected software
Opensuse -> Opensuse 
Novell -> Opensuse 
GNU -> Libtasn1 
Fedoraproject -> Fedora 

 References:
http://lists.fedoraproject.org/pipermail/package-announce/2015-May/158225.html
http://lists.opensuse.org/opensuse-updates/2015-08/msg00014.html
http://lists.opensuse.org/opensuse-updates/2016-06/msg00047.html
http://lists.opensuse.org/opensuse-updates/2016-06/msg00097.html
http://packetstormsecurity.com/files/131711/libtasn1-Heap-Overflow.html
http://seclists.org/fulldisclosure/2015/Apr/109
http://www.debian.org/security/2015/dsa-3256
http://www.mandriva.com/security/advisories?name=MDVSA-2015:232
http://www.securityfocus.com/bid/74419
http://www.securitytracker.com/id/1032246
http://www.ubuntu.com/usn/USN-2604-1
https://access.redhat.com/errata/RHSA-2017:1860
https://lists.gnu.org/archive/html/help-libtasn1/2015-04/msg00000.html
https://security.gentoo.org/glsa/201509-04
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