CVE-2018-10195 — lrzsz before version 0

lrzsz before version 0.12.21~rc can leak information to the receiving side due to an incorrect length check in the function zsdata that causes a size_t to wrap around.

01What is this vulnerability?

lrzsz before version 0.12.21~rc can leak information to the receiving side due to an incorrect length check in the function zsdata that causes a size_t to wrap around.

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: 2021-06-02T13:54:18.000Z
• Last modified: 2024-08-05T07:32:01.629Z

09References

• www.ohse.de — http://www.ohse.de/uwe/software/lrzsz.html
• lists.suse.com — https://lists.suse.com/pipermail/sle-security-updates/2018-April/003955.html?_ga…
• lists.suse.com — https://lists.suse.com/pipermail/sle-security-updates/2018-April/003956.html?_ga…
• bugzilla.redhat.com — https://bugzilla.redhat.com/show_bug.cgi?id=1572058
• lists.debian.org — https://lists.debian.org/debian-lts-announce/2022/01/msg00027.html