CVE-2016-4008
UnknownEPSS 29.57%
Last modified
CVE-2016-4008 is a vulnerability of currently unknown severity. 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.. EPSS estimates a 29.57% chance of exploitation in the next 30 days.
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.
Metrics
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Canonical | Ubuntu Linux | 12.04 |
| Canonical | Ubuntu Linux | 14.04 |
| Canonical | Ubuntu Linux | 15.10 |
| Canonical | Ubuntu Linux | 16.04 |
| Opensuse | Opensuse | 13.2 |
| Gnu | Libtasn1 | <= 4.7 |
| Fedoraproject | Fedora | 22 |
| Fedoraproject | Fedora | 23 |
| Fedoraproject | Fedora | 24 |
References
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is CVE-2016-4008?
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.
How severe is CVE-2016-4008?
Severity scoring for CVE-2016-4008 is pending analysis. The EPSS model estimates a 29.57% probability of exploitation in the next 30 days.
How do I fix CVE-2016-4008?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.
Are you affected by CVE-2016-4008?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST