CVE-2023-34432 — A heap buffer overflow vulnerability was found in sox, in the lsx_readbuf functi

A heap buffer overflow vulnerability was found in sox, in the lsx_readbuf function at sox/src/formats_i.c:98:16. This flaw can lead to a denial of service, code execution, or information disclosure.

01What is this vulnerability?

A heap buffer overflow vulnerability was found in sox, in the lsx_readbuf function at sox/src/formats_i.c:98:16. This flaw can lead to a denial of service, code execution, or information disclosure.

02Affected products

Vendor	Product	Versions
n	a / sox	unspecified
Red Hat	Red Hat Enterprise Linux 6	unspecified
Red Hat	Red Hat Enterprise Linux 7	unspecified
Fedora	Fedora	unspecified
Fedora	Extra Packages for Enterprise Linux	unspecified

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: 2023-07-10T20:05:39.681Z
• Last modified: 2024-10-01T16:24:35.073Z

09References

• access.redhat.com — https://access.redhat.com/security/cve/CVE-2023-34432
• bugzilla.redhat.com — https://bugzilla.redhat.com/show_bug.cgi?id=2212291