CVE-2018-5294 — In libming 0

In libming 0.4.8, there is an integer overflow (caused by an out-of-range left shift) in the readUInt32 function (util/read.c). Remote attackers could leverage this vulnerability to cause a denial-of-service via a crafted swf file.

01What is this vulnerability?

In libming 0.4.8, there is an integer overflow (caused by an out-of-range left shift) in the readUInt32 function (util/read.c). Remote attackers could leverage this vulnerability to cause a denial-of-service via a crafted swf file.

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: 2018-01-08T07:00:00.000Z
• Last modified: 2024-08-05T05:33:43.812Z

09References

• lists.debian.org — https://lists.debian.org/debian-lts-announce/2018/03/msg00008.html
• github.com — https://github.com/libming/libming/issues/98
• security.gentoo.org — https://security.gentoo.org/glsa/201904-24