CVE-2022-48303
Published: 30 January 2023
GNU Tar through 1.34 has a one-byte out-of-bounds read that results in use of uninitialized memory for a conditional jump. Exploitation to change the flow of control has not been demonstrated. The issue occurs in from_header in list.c via a V7 archive in which mtime has approximately 11 whitespace characters.
Priority
Status
| Package | Release | Status |
|---|---|---|
|
tar Launchpad, Ubuntu, Debian |
bionic |
Released
(1.29b-2ubuntu0.4)
|
| focal |
Released
(1.30+dfsg-7ubuntu0.20.04.3)
|
|
| jammy |
Released
(1.34+dfsg-1ubuntu0.1.22.04.1)
|
|
| kinetic |
Released
(1.34+dfsg-1ubuntu0.1.22.10.1)
|
|
| trusty |
Released
(1.27.1-1ubuntu0.1+esm3)
Available with Ubuntu Pro or Ubuntu Pro (Infra-only) |
|
| upstream |
Needs triage
|
|
| xenial |
Released
(1.28-2.1ubuntu0.2+esm2)
Available with Ubuntu Pro or Ubuntu Pro (Infra-only) |
|
| lunar |
Released
(1.34+dfsg-1.2ubuntu0.1)
|
|
|
Patches: upstream: https://git.savannah.gnu.org/cgit/tar.git/commit/?id=3da78400eafcccb97e2f2fd4b227ea40d794ede8 |
||
Severity score breakdown
| Parameter | Value |
|---|---|
| Base score | 5.5 |
| Attack vector | Local |
| Attack complexity | Low |
| Privileges required | None |
| User interaction | Required |
| Scope | Unchanged |
| Confidentiality | None |
| Integrity impact | None |
| Availability impact | High |
| Vector | CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H |