HTTP: GNU Libextractor ZIP File Comment Out-of-Bounds Read

This signature detects attempts to exploit a known vulnerability against Libextractor. The vulnerability is due to improper handling of long File Comment fields within ZIP files. A remote, unauthenticated attacker could exploit this vulnerability by enticing a user to open a maliciously crafted file using Libextractor. Successful exploitation of this vulnerability could lead to denial-of-service conditions or, in the worst case, disclosure of sensitive information.

Extended Description

GNU Libextractor through 1.7 has an out-of-bounds read vulnerability in EXTRACTOR_zip_extract_method() in zip_extractor.c.

Affected Products

Gnu libextractor

References

CVE: CVE-2018-16430

Short Name
HTTP:STC:GNU-LIBEXTRACTOR-OOB
Severity
Major
Recommended
True
Recommended Action
Drop
Category
HTTP
Keywords
CVE-2018-16430 Comment File GNU Libextractor Out-of-Bounds Read ZIP
Release Date
01/22/2019
Supported Platforms

srx-branch-19.3

vsrx3bsd-19.2

srx-19.4

vsrx3bsd-19.4

srx-branch-19.4

vsrx-19.4

vsrx-19.2

srx-19.3

srx-branch-12.3

mx-12.3

mx-19.4

vmx-19.4

mx-19.3

vsrx-12.3

vmx-19.3

srx-12.3

Sigpack Version
3717
False Positive
Unknown
Vendors

Debian

Gnu

CVSS Score

6.8

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