| Name | CVE-2014-3493 |
| Description | The push_ascii function in smbd in Samba 3.6.x before 3.6.24, 4.0.x before 4.0.19, and 4.1.x before 4.1.9 allows remote authenticated users to cause a denial of service (memory corruption and daemon crash) via an attempt to read a Unicode pathname without specifying use of Unicode, leading to a character-set conversion failure that triggers an invalid pointer dereference. |
| 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-2966-1 |
Vulnerable and fixed packages
The table below lists information on source packages.
| Source Package | Release | Version | Status |
|---|
| samba (PTS) | jessie, jessie (lts) | 2:4.2.14+dfsg-0+deb8u16 | fixed |
| stretch (security) | 2:4.5.16+dfsg-1+deb9u4 | fixed |
| stretch (lts), stretch | 2:4.5.16+dfsg-1+deb9u5 | fixed |
| buster (security), buster, buster (lts) | 2:4.9.5+dfsg-5+deb10u5 | fixed |
| bullseye (security), bullseye | 2:4.13.13+dfsg-1~deb11u6 | fixed |
| bookworm (security), bookworm | 2:4.17.12+dfsg-0+deb12u1 | fixed |
| trixie | 2:4.21.2+dfsg-3 | fixed |
| sid | 2:4.21.2+dfsg-4 | fixed |
The information below is based on the following data on fixed versions.
| Package | Type | Release | Fixed Version | Urgency | Origin | Debian Bugs |
|---|
| samba | source | squeeze | (not affected) | | | |
| samba | source | wheezy | 2:3.6.6-6+deb7u4 | | DSA-2966-1 | |
| samba | source | (unstable) | 2:4.1.9+dfsg-1 | | | |
| samba4 | source | (unstable) | 4.0.0~beta2+dfsg1-3.2+deb7u2 | | | |
Notes
[squeeze] - samba <not-affected> (Only affects 3.6 and later)
AD-related packages removed from src:samba4 in 4.0.0~beta2+dfsg1-3.2+deb7u2
https://www.samba.org/samba/security/CVE-2014-3493