CVE-2020-12866 — A NULL pointer dereference in SANE Backends before 1

A NULL pointer dereference in SANE Backends before 1.0.30 allows a malicious device connected to the same local network as the victim to cause a denial of service, GHSL-2020-079.

01What is this vulnerability?

A NULL pointer dereference in SANE Backends before 1.0.30 allows a malicious device connected to the same local network as the victim to cause a denial of service, GHSL-2020-079.

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: 2020-06-24T12:52:23.000Z
• Last modified: 2024-08-04T12:11:18.232Z

09References

• alioth-lists.debian.net — https://alioth-lists.debian.net/pipermail/sane-announce/2020/000041.html
• securitylab.github.com — https://securitylab.github.com/advisories/GHSL-2020-075-libsane
• usn.ubuntu.com — https://usn.ubuntu.com/4470-1/
• lists.opensuse.org — http://lists.opensuse.org/opensuse-security-announce/2020-10/msg00079.html
• lists.opensuse.org — http://lists.opensuse.org/opensuse-security-announce/2020-11/msg00003.html