CVE-2016-4008: Medium severity ubuntu vulnerability
The asn1extractderoctet function in lib/decoding.c in GNU Libtasn1 before 4.8, when used without the ASN1DECODEFLAGSTRICTDER flag, allows remote attackers to cause a denial of service (infinite recursion) via a crafted certificate.
Affected Software
Event History
Frequently Asked Questions
What is the severity of CVE-2016-4008?
CVE-2016-4008 is categorized as a denial of service vulnerability.
How do I fix CVE-2016-4008?
To fix CVE-2016-4008, update the libtasn1 library to version 4.8 or later and ensure the ASN1_DECODE_FLAG_STRICT_DER flag is used.
Which software versions are affected by CVE-2016-4008?
CVE-2016-4008 affects various versions of GNU Libtasn1 prior to 4.8 and multiple versions of Ubuntu, Fedora, and openSUSE.
What type of attack is possible with CVE-2016-4008?
CVE-2016-4008 allows remote attackers to cause a denial of service through infinite recursion when processing crafted certificates.
Is there a patch available for CVE-2016-4008?
Yes, patches for CVE-2016-4008 are available in the updated versions of the affected software.