Vulnerability · Published May 18, 2021 · Assigned by mitre
CVE-2021-3200
Low 3.3
In plain English
A low-severity security flaw in the libsolv-devel package (AlmaLinux). 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 71% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.
Severity (CVSS NVD)3.3Low
Exploit odds (30 days)1.3%top 29.2% of all CVEs
Exploited in the wildNo reportsnot in CISA KEV
Attack toolingNoneno public tooling known
Official description
Buffer overflow vulnerability in libsolv 2020-12-13 via the Solver * testcase_read(Pool *pool, FILE *fp, const char *testcase, Queue *job, char **resultp, int *resultflagsp function at src/testcase.c: line 2334, which could cause a denial of service
Affected packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| AlmaLinux:8 | libsolv-devel | 0.7.19-1.el8 | ALSA-2021:4408 |
| AlmaLinux:8 | libsolv-tools | 0.7.19-1.el8 | ALSA-2021:4408 |
| Debian:12 | libsolv | 0.7.17-1 | DEBIAN-CVE-2021-3200 |
| Debian:13 | libsolv | 0.7.17-1 | DEBIAN-CVE-2021-3200 |
| Debian:14 | libsolv | 0.7.17-1 | DEBIAN-CVE-2021-3200 |
| Rocky Linux:8 | libdb | 0:5.3.28-42.el8_4 | RLSA-2022:5498 |
| Rocky Linux:8 | libsolv | 0:0.7.19-1.el8 | RLSA-2021:4408 |
Affected products (as reported)
References
- https://github.com/openSUSE/libsolv/issues/416 x_refsource_MISC
- https://github.com/yangjiageng/PoC/blob/master/libsolv-PoCs/PoC-testcase_read-2334 x_refsource_MISC
- https://www.oracle.com/security-alerts/cpuapr2022.html x_refsource_MISC