SSL: GnuTLS libtasn1 ASN.1 DER Infinite Loop Denial of Service

A denial-of-service vulnerability exists in libtasn1, a component of GnuTLS. Successful exploitation may result in a denial-of-service condition.

Extended 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.

Affected Products

Gnu libtasn1

Short Name
SSL:INVALID:LIBTASN1-DOS
Severity
Major
Recommended
True
Recommended Action
Drop
Category
SSL
Keywords
ASN.1 CVE-2016-4008 DER Denial GnuTLS Infinite Loop Service libtasn1 of
Release Date
05/19/2016
Supported Platforms

srx-branch-12.3

srx-19.3

srx-branch-19.3

vsrx3bsd-19.2

srx-branch-19.4

vsrx-19.4

mx-12.3

mx-19.4

vmx-19.4

mx-19.3

vsrx3bsd-19.4

srx-19.4

vsrx-12.3

vmx-19.3

vsrx-19.2

srx-12.3

Sigpack Version
3590
False Positive
Unknown
Vendors

Opensuse

Gnu

Fedoraproject

Canonical

CVSS Score

4.3

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