Buffer overflow in Unzip Project

CVE-2018-18384

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.

Vulnerability class: Buffer Overflow

EPSS: 0.026 (83.5th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 5.5 (Medium). Vector: CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H.

Affected products

Weakness classification (CWE)

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2018-18384?
CVE-2018-18384 is a medium-severity vulnerability in Unzip Project, classified under Improper Restriction of Operations within the Bounds of a Memory Buffer. CVSS score: 5.5/10. Published 2018-10-16.
How severe is CVE-2018-18384?
Medium severity. CVSS v3 base score is 5.5 out of 10.
Is CVE-2018-18384 known to be exploited?
2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.