| Name | CVE-2013-4351 |
| Description | GnuPG 1.4.x, 2.0.x, and 2.1.x treats a key flags subpacket with all bits cleared (no usage permitted) as if it has all bits set (all usage permitted), which might allow remote attackers to bypass intended cryptographic protection mechanisms by leveraging the subkey. |
| Source | CVE (at NVD; CERT, LWN, oss-sec, fulldisc, bugtraq, EDB, Metasploit, Red Hat, Ubuntu, Gentoo, SuSE, Mageia, GitHub code/issues, web search, more) |
| References | DSA-2773-1, DSA-2774-1 |
| NVD severity | medium (attack range: remote) |
| Debian Bugs | 722722, 722724 |
The table below lists information on source packages.
| Source Package | Release | Version | Status |
|---|---|---|---|
| gnupg (PTS) | wheezy | 1.4.12-7+deb7u7 | fixed |
| wheezy (security) | 1.4.12-7+deb7u8 | fixed | |
| jessie | 1.4.18-7+deb8u3 | fixed | |
| jessie (security) | 1.4.18-7+deb8u2 | fixed | |
| stretch, sid | 1.4.20-6 | fixed | |
| gnupg2 (PTS) | wheezy (security), wheezy | 2.0.19-2+deb7u2 | fixed |
| jessie | 2.0.26-6+deb8u1 | fixed | |
| stretch | 2.1.11-7 | fixed | |
| sid | 2.1.15-3 | fixed |
The information below is based on the following data on fixed versions.
| Package | Type | Release | Fixed Version | Urgency | Origin | Debian Bugs |
|---|---|---|---|---|---|---|
| gnupg | source | (unstable) | 1.4.15-1 | low | 722722 | |
| gnupg | source | squeeze | 1.4.10-4+squeeze3 | medium | DSA-2773-1 | |
| gnupg | source | wheezy | 1.4.12-7+deb7u2 | medium | DSA-2773-1 | |
| gnupg2 | source | (unstable) | 2.0.22-1 | low | 722724 | |
| gnupg2 | source | squeeze | 2.0.14-2+squeeze2 | medium | DSA-2774-1 | |
| gnupg2 | source | wheezy | 2.0.19-2+deb7u1 | medium | DSA-2774-1 |