CVE-2019-14523 — An issue was discovered in Schism Tracker through 20190722

An issue was discovered in Schism Tracker through 20190722. There is an integer underflow via a large plen in fmt_okt_load_song in the Amiga Oktalyzer parser in fmt/okt.c.

01What is this vulnerability?

An issue was discovered in Schism Tracker through 20190722. There is an integer underflow via a large plen in fmt_okt_load_song in the Amiga Oktalyzer parser in fmt/okt.c.

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: 2019-08-02T11:18:28.000Z
• Last modified: 2024-08-05T00:19:41.202Z

09References

• github.com — https://github.com/schismtracker/schismtracker/issues/202
• github.com — https://github.com/schismtracker/schismtracker/releases/tag/20190805
• lists.opensuse.org — http://lists.opensuse.org/opensuse-security-announce/2019-08/msg00072.html
• lists.opensuse.org — http://lists.opensuse.org/opensuse-security-announce/2019-08/msg00083.html
• security.gentoo.org — https://security.gentoo.org/glsa/202107-12