Vulnerability CVE-2016-4008
Published: 2016-05-05

Description:
The _asn1_extract_der_octet function in lib/decoding.c in GNU Libtasn1 before 4.8, when used without the ASN1_DECODE_FLAG_STRICT_DER flag, allows remote attackers to cause a denial of service (infinite recursion) via a crafted certificate.

Type:

CWE-399

 (Resource Management Errors)

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 
Canonical -> Ubuntu linux 

 References:
http://git.savannah.gnu.org/gitweb/?p=libtasn1.git;a=commit;h=a6e0a0b58f5cdaf4e9beca5bce69c09808cbb625
http://git.savannah.gnu.org/gitweb/?p=libtasn1.git;a=commit;h=f435825c0f527a8e52e6ffbc3ad0bc60531d537e
http://lists.fedoraproject.org/pipermail/package-announce/2016-April/182299.html
http://lists.fedoraproject.org/pipermail/package-announce/2016-April/182907.html
http://lists.fedoraproject.org/pipermail/package-announce/2016-April/183221.html
http://lists.opensuse.org/opensuse-updates/2016-06/msg00047.html
http://lists.opensuse.org/opensuse-updates/2016-06/msg00097.html
http://www.debian.org/security/2016/dsa-3568
http://www.openwall.com/lists/oss-security/2016/04/11/3
http://www.ubuntu.com/usn/USN-2957-1
http://www.ubuntu.com/usn/USN-2957-2
https://lists.gnu.org/archive/html/help-libtasn1/2016-04/msg00009.html
https://security.gentoo.org/glsa/201703-05
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