| Name | CVE-2016-4008 |
| 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. |
| Source | CVE (at NVD; CERT, LWN, oss-sec, fulldisc, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more) |
| References | DLA-495-1, DSA-3568-1 |
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.
| Package | Type | Release | Fixed Version | Urgency | Origin | Debian Bugs |
|---|---|---|---|---|---|---|
| libtasn1-3 | source | wheezy | 2.13-2+deb7u3 | DLA-495-1 | ||
| libtasn1-3 | source | (unstable) | (unfixed) | |||
| libtasn1-6 | source | jessie | 4.2-3+deb8u2 | DSA-3568-1 | ||
| libtasn1-6 | source | (unstable) | 4.8-1 |
https://www.openwall.com/lists/oss-security/2016/04/11/3
http://git.savannah.gnu.org/cgit/libtasn1.git/commit/?id=f435825c0f527a8e52e6ffbc3ad0bc60531d537e
http://git.savannah.gnu.org/cgit/libtasn1.git/commit/?id=a6e0a0b58f5cdaf4e9beca5bce69c09808cbb625