| Name | CVE-2015-3622 |
| 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. |
| Source | CVE (at NVD; CERT, LWN, oss-sec, fulldisc, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more) |
| References | DSA-3256-1 |
Vulnerable and fixed packages
The table below lists information on source packages.
| Source Package | Release | Version | Status |
|---|
| libtasn1-6 (PTS) | jessie, jessie (lts) | 4.2-3+deb8u5 | fixed |
| stretch (security) | 4.10-1.1+deb9u1 | fixed |
| stretch (lts), stretch | 4.10-1.1+deb9u2 | fixed |
| buster | 4.13-3 | fixed |
| buster (security) | 4.13-3+deb10u1 | fixed |
| bullseye | 4.16.0-2+deb11u1 | fixed |
| bookworm | 4.19.0-2 | fixed |
| sid, trixie | 4.19.0-3 | fixed |
The information below is based on the following data on fixed versions.
Notes
- libtasn1-3 <not-affected> (Introduced with 3.6)
https://blog.fuzzing-project.org/9-Heap-overflow-invalid-read-in-Libtasn1-TFPA-0052015.html
http://git.savannah.gnu.org/gitweb/?p=libtasn1.git;a=commitdiff;h=f979435823a02f842c41d49cd41cc81f25b5d677
Introduced by http://git.savannah.gnu.org/gitweb/?p=libtasn1.git;a=commitdiff;h=609d5c1366fb424f6150c4eed358d246e61cf204 (libtasn1_3_6)
DECR_LEN introduced in http://git.savannah.gnu.org/gitweb/?p=libtasn1.git;a=commitdiff;h=154909136c12cfa5c60732b7210827dfb1ec6aee (libtasn1_3_6)