CVE-2021-43618
Published: 15 November 2021
GNU Multiple Precision Arithmetic Library (GMP) through 6.2.1 has an mpz/inp_raw.c integer overflow and resultant buffer overflow via crafted input, leading to a segmentation fault on 32-bit platforms.
Notes
| Author | Note |
|---|---|
| sbeattie | reproducer in debian bug report |
Priority
Status
| Package | Release | Status |
|---|---|---|
|
gmp Launchpad, Ubuntu, Debian |
focal |
Released
(2:6.2.0+dfsg-4ubuntu0.1)
|
| impish |
Ignored
(end of life)
|
|
| jammy |
Not vulnerable
(2:6.2.1+dfsg-3ubuntu1)
|
|
| kinetic |
Not vulnerable
(2:6.2.1+dfsg1-1ubuntu2)
|
|
| lunar |
Not vulnerable
(2:6.2.1+dfsg1-1ubuntu2)
|
|
| trusty |
Released
(2:5.1.3+dfsg-1ubuntu1+esm1)
Available with Ubuntu Pro or Ubuntu Pro (Infra-only) |
|
| xenial |
Released
(2:6.1.0+dfsg-2ubuntu0.1~esm1)
Available with Ubuntu Pro or Ubuntu Pro (Infra-only) |
|
| hirsute |
Ignored
(end of life)
|
|
| upstream |
Released
(2:6.2.1+dfsg-3)
|
|
| bionic |
Released
(2:6.1.2+dfsg-2ubuntu0.1)
|
|
|
Patches: upstream: https://gmplib.org/repo/gmp-6.2/rev/561a9c25298e |
||
Severity score breakdown
| Parameter | Value |
|---|---|
| Base score | 7.5 |
| Attack vector | Network |
| Attack complexity | Low |
| Privileges required | None |
| User interaction | None |
| Scope | Unchanged |
| Confidentiality | None |
| Integrity impact | None |
| Availability impact | High |
| Vector | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |