CVE-2018-18384 — Info-ZIP UnZip 6

Info-ZIP UnZip 6.0 has a buffer overflow in list.c, when a ZIP archive has a crafted relationship between the compressed-size value and the uncompressed-size value, because a buffer size is 10 and is supposed to be 12.

01What is this vulnerability?

Info-ZIP UnZip 6.0 has a buffer overflow in list.c, when a ZIP archive has a crafted relationship between the compressed-size value and the uncompressed-size value, because a buffer size is 10 and is supposed to be 12.

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: 2018-10-16T15:00:00.000Z
• Last modified: 2024-08-05T11:08:21.792Z

09References

• bugzilla.suse.com — https://bugzilla.suse.com/show_bug.cgi?id=1110194
• sourceforge.net — https://sourceforge.net/p/infozip/bugs/53/
• lists.opensuse.org — http://lists.opensuse.org/opensuse-security-announce/2019-04/msg00009.html
• access.redhat.com — https://access.redhat.com/errata/RHSA-2019:2159