Security Information / 2016 / Security Information -- DSA-3568-1 libtasn1-6

Debian Security Advisory

DSA-3568-1 libtasn1-6 -- security update

Date Reported:

05 May 2016

Affected Packages:

libtasn1-6

Vulnerable:

Yes

Security database references:

In Mitre's CVE dictionary: CVE-2016-4008.

More information:

Pascal Cuoq and Miod Vallat discovered that Libtasn1, a library to manage ASN.1 structures, does not correctly handle certain malformed DER certificates. A remote attacker can take advantage of this flaw to cause an application using the Libtasn1 library to hang, resulting in a denial of service.

For the stable distribution (jessie), this problem has been fixed in version 4.2-3+deb8u2.

For the testing distribution (stretch), this problem has been fixed in version 4.8-1.

For the unstable distribution (sid), this problem has been fixed in version 4.8-1.

We recommend that you upgrade your libtasn1-6 packages.