| Name | CVE-2018-6003 |
| Description | An issue was discovered in the _asn1_decode_simple_ber function in decoding.c in GNU Libtasn1 before 4.13. Unlimited recursion in the BER decoder leads to stack exhaustion and DoS. |
| 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-4106-1 |
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 (security), buster, buster (lts) | 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
[jessie] - libtasn1-6 <not-affected> (Vulnerable code introduced in 4.3)
- libtasn1-3 <not-affected> (Vulnerable code introduced in 4.3)
https://lists.gnu.org/archive/html/help-libtasn1/2018-01/msg00000.html
Affected function introduced in: http://git.savannah.nongnu.org/cgit/libtasn1.git/commit/lib/decoding.c?id=b12bfa8932f44d1d1c25b4a2e385387a62dfbcc9 (libtasn1_4_3)
Fixed by: https://gitlab.com/gnutls/libtasn1/commit/c593ae84cfcde8fea45787e53950e0ac71e9ca97 (libtasn1_4_13)