| Name | CVE-2020-14323 |
| Description | A null pointer dereference flaw was found in samba's Winbind service in versions before 4.11.15, before 4.12.9 and before 4.13.1. A local user could use this flaw to crash the winbind service causing denial of service. |
| 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-2463-1, DLA-3792-1 |
| Debian Bugs | 973399 |
Vulnerable and fixed packages
The table below lists information on source packages.
| Source Package | Release | Version | Status |
|---|
| samba (PTS) | bullseye (security), bullseye | 2:4.13.13+dfsg-1~deb11u6 | fixed |
| bookworm, bookworm (security) | 2:4.17.12+dfsg-0+deb12u1 | fixed |
| sid, trixie | 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 | experimental | 2:4.13.2+dfsg-1 | | | |
| samba | source | stretch | 2:4.5.16+dfsg-1+deb9u3 | | DLA-2463-1 | |
| samba | source | buster | 2:4.9.5+dfsg-5+deb10u5 | | DLA-3792-1 | |
| samba | source | (unstable) | 2:4.13.2+dfsg-2 | | | 973399 |
Notes
https://www.samba.org/samba/security/CVE-2020-14323.html
https://bugzilla.samba.org/show_bug.cgi?id=14436