Vulnerability · Published Sep 1, 2023 · Assigned by mitre
CVE-2023-36328
Critical 9.8
In plain English
A critical-severity security flaw in the libtommath package (Alpine). There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 1.3% (higher than 70% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.
Severity (CVSS 3.1)9.8Critical
Exploit odds (30 days)1.3%top 30.1% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
Official description
Integer Overflow vulnerability in mp_grow in libtom libtommath before commit beba892bc0d4e4ded4d667ab1d2a94f4d75109a9, allows attackers to execute arbitrary code and cause a denial of service (DoS).
Affected packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| Alpine:v3.23 | libtommath | 1.2.1-r0 | ALPINE-CVE-2023-36328 |
| Alpine:v3.24 | libtommath | 1.2.1-r0 | ALPINE-CVE-2023-36328 |
| Debian:12 | libtommath | 1.2.0-6+deb12u1 | DEBIAN-CVE-2023-36328 |
| Debian:13 | libtommath | 1.2.1-1 | DEBIAN-CVE-2023-36328 |
| Debian:14 | libtommath | 1.2.1-1 | DEBIAN-CVE-2023-36328 |
| Ubuntu:22.04:LTS | libtommath | 1.2.0-6ubuntu0.22.04.1 | USN-6402-1 |
| Ubuntu:22.04:LTS | libtommath | 1.2.0-6ubuntu0.22.04.1 | UBUNTU-CVE-2023-36328 |
Affected products (as reported)
References
- https://github.com/libtom/libtommath/pull/546
- FEDORA-2023-69b85312f0 vendor-advisory
- FEDORA-2023-f357a25877 vendor-advisory
- FEDORA-2023-f5680e3b4b vendor-advisory
- https://lists.debian.org/debian-lts-announce/2024/09/msg00011.html