CVE-2019-12247 — QEMU 3

QEMU 3.0.0 has an Integer Overflow because the qga/commands*.c files do not check the length of the argument list or the number of environment variables. NOTE: This has been disputed as not exploitable

01What is this vulnerability?

QEMU 3.0.0 has an Integer Overflow because the qga/commands*.c files do not check the length of the argument list or the number of environment variables. NOTE: This has been disputed as not exploitable

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: 2019-05-22T14:22:54.000Z
• Last modified: 2024-08-04T23:17:39.715Z

09References

• lists.gnu.org — https://lists.gnu.org/archive/html/qemu-devel/2019-05/msg04596.html
• lists.gnu.org — https://lists.gnu.org/archive/html/qemu-devel/2019-01/msg06360.html
• www.securityfocus.com — http://www.securityfocus.com/bid/108434
• lists.gnu.org — https://lists.gnu.org/archive/html/qemu-devel/2019-05/msg05457.html