CVE-2020-13249 — libmariadb/mariadb_lib
libmariadb/mariadb_lib.c in MariaDB Connector/C before 3.1.8 does not properly validate the content of an OK packet received from a server. NOTE: although mariadb_lib.c was originally based on code shipped for MySQL, this issue does not affect any MySQL components supported by Or
Published
2020-05-20T18:48:12.000Z
Last modified
2024-08-04T12:11:19.465Z
01What is this vulnerability?
libmariadb/mariadb_lib.c in MariaDB Connector/C before 3.1.8 does not properly validate the content of an OK packet received from a server. NOTE: although mariadb_lib.c was originally based on code shipped for MySQL, this issue does not affect any MySQL components supported by Oracle.
02Affected products
| Vendor | Product | Versions |
|---|
| n | a / n/a | n/a |
03Active exploitation status
Not currently listed on the CISA Known Exploited Vulnerabilities (KEV) catalog. EPSS is the best forward-looking signal — see the EPSS row above.
04Recommended remediation
- Patch to a fixed version listed in the vendor advisory (see references below).
- Mitigate with WAF rules, network egress filters, or feature flags where the patch is not yet available.
- Hunt historical logs for exploitation indicators — see Detection signatures below.
05Technical details
For the full vendor write-up, exploit chains, and reference implementations, see the references list in section 09.
06Detection signatures
Ask SARA in chat to draft a starting detection for this CVE in your stack of choice.
07Related CVEs
No directly-cited follow-up CVEs in the KB record for this advisory. The references list in section 09 carries the vendor cross-references.
08Timeline
- Published: 2020-05-20T18:48:12.000Z
- Last modified: 2024-08-04T12:11:19.465Z
09References
- github.com — https://github.com/mariadb-corporation/mariadb-connector-c/commit/2759b87d72926b…
- github.com — https://github.com/mariadb-corporation/mariadb-connector-c/compare/v3.1.7...v3.1…
- lists.opensuse.org — http://lists.opensuse.org/opensuse-security-announce/2020-05/msg00064.html
- lists.fedoraproject.org — https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedorapro…
- lists.opensuse.org — http://lists.opensuse.org/opensuse-security-announce/2020-06/msg00054.html
- lists.fedoraproject.org — https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedorapro…
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