CVE-2018-12934 — remember_Ktype in cplus-dem

remember_Ktype in cplus-dem.c in GNU libiberty, as distributed in GNU Binutils 2.30, allows attackers to trigger excessive memory consumption (aka OOM). This can occur during execution of cxxfilt.

01What is this vulnerability?

remember_Ktype in cplus-dem.c in GNU libiberty, as distributed in GNU Binutils 2.30, allows attackers to trigger excessive memory consumption (aka OOM). This can occur during execution of cxxfilt.

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: 2018-06-28T14:00:00.000Z
• Last modified: 2024-08-05T08:52:49.179Z

09References

• sourceware.org — https://sourceware.org/bugzilla/show_bug.cgi?id=23059
• gcc.gnu.org — https://gcc.gnu.org/bugzilla/show_bug.cgi?id=85453
• bugs.launchpad.net — https://bugs.launchpad.net/ubuntu/+source/binutils/+bug/1763101
• usn.ubuntu.com — https://usn.ubuntu.com/4326-1/
• usn.ubuntu.com — https://usn.ubuntu.com/4336-1/