CVE-2021-45078
Published: 15 December 2021
stab_xcoff_builtin_type in stabs.c in GNU Binutils through 2.37 allows attackers to cause a denial of service (heap-based buffer overflow) or possibly have unspecified other impact, as demonstrated by an out-of-bounds write. NOTE: this issue exists because of an incorrect fix for CVE-2018-12699.
Notes
| Author | Note |
|---|---|
| seth-arnold | binutils isn't safe for untrusted inputs. |
| mdeslaur | reproducer doesn't crash objdump without ASAN on bionic and focal |
Priority
Status
| Package | Release | Status |
|---|---|---|
|
binutils Launchpad, Ubuntu, Debian |
hirsute |
Ignored
(end of life)
|
| trusty |
Needed
|
|
| xenial |
Released
(2.26.1-1ubuntu1~16.04.8+esm3)
Available with Ubuntu Pro or Ubuntu Pro (Infra-only) |
|
| bionic |
Needed
|
|
| upstream |
Released
(2.38)
|
|
| impish |
Ignored
(end of life)
|
|
| jammy |
Not vulnerable
(2.38-2ubuntu1)
|
|
| kinetic |
Not vulnerable
(2.38-2ubuntu1)
|
|
| lunar |
Not vulnerable
(2.38-2ubuntu1)
|
|
| focal |
Released
(2.34-6ubuntu1.6)
|
|
|
Patches: upstream: https://sourceware.org/git/gitweb.cgi?p=binutils-gdb.git;h=161e87d12167b1e36193385485c1f6ce92f74f02 |
||
Severity score breakdown
| Parameter | Value |
|---|---|
| Base score | 7.8 |
| Attack vector | Local |
| Attack complexity | Low |
| Privileges required | None |
| User interaction | Required |
| Scope | Unchanged |
| Confidentiality | High |
| Integrity impact | High |
| Availability impact | High |
| Vector | CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H |