CVE-2015-3622 The _asn1_extract_der_octet function in lib/decoding.c in GNU Libtasn1 before 4.5 allows remote attackers to cause a denial of service (out-of-bounds heap read) via a crafted certificate.
MediumCVSS 4.3
EPSS 32.9%
- Published
- Updated
- Exploit status
- No public exploit known
Description
The _asn1_extract_der_octet function in lib/decoding.c in GNU Libtasn1 before 4.5 allows remote attackers to cause a denial of service (out-of-bounds heap read) via a crafted certificate.
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| debian/libtasn1-6(Debian:12) | < 4.4-3 | 4.4-3 |
| debian/libtasn1-6(Debian:13) | < 4.4-3 | 4.4-3 |
| debian/libtasn1-6(Debian:14) | < 4.4-3 | 4.4-3 |
| opensuse | = 13.2 | No fix listed |
| fedoraproject fedora | = 21 | No fix listed |
| GNU libtasn1 | <= 4.4 | No fix listed |
References
- Debian Security Tracker CVE-2015-3622 vendor-advisory
- FEDORA-2015-7288 vendor-advisory
- openSUSE-SU-2015:1372 vendor-advisory
- openSUSE-SU-2016:1567 vendor-advisory
- openSUSE-SU-2016:1674 vendor-advisory
- packetstormsecurity.com exploit
- 20150430 Heap overflow / invalid read in Libtasn1 before 4.5 (TFPA 005/2015) exploit mailing-list
- DSA-3256 vendor-advisory
- MDVSA-2015:232 vendor-advisory
- 74419 vdb-entry
- 1032246 vdb-entry
- USN-2604-1 vendor-advisory
- RHSA-2017:1860 vendor-advisory
- [help-libtasn1] 20150429 GNU Libtasn1 4.5 released mailing-list
- GLSA-201509-04 vendor-advisory