CVE-2019-7698 — An issue was discovered in AP4_Array<AP4_CttsTableEntry>::EnsureCapacity in Core

An issue was discovered in AP4_Array<AP4_CttsTableEntry>::EnsureCapacity in Core/Ap4Array.h in Bento4 1.5.1-627. Crafted MP4 input triggers an attempt at excessive memory allocation, as demonstrated by mp42hls, a related issue to CVE-2018-20095.

01What is this vulnerability?

An issue was discovered in AP4_Array<AP4_CttsTableEntry>::EnsureCapacity in Core/Ap4Array.h in Bento4 1.5.1-627. Crafted MP4 input triggers an attempt at excessive memory allocation, as demonstrated by mp42hls, a related issue to CVE-2018-20095.

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

08Timeline

• Published: 2019-02-10T22:00:00.000Z
• Last modified: 2024-08-04T20:54:28.319Z

09References

• github.com — https://github.com/axiomatic-systems/Bento4/issues/354