PT-2017-14126 · Gnu+2 · Gnu Libextractor+2

Leon Zhao · Published 2017-10-17 · Updated 2020-11-23 · CVE-2017-15602

Positive Technologies (AI Summary)

CVSS v3.1

7.5

High

Base vector

AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Name of the Vulnerable Software and Affected Versions GNU Libextractor version 1.4

Description The issue is caused by an integer signedness error for the chunk size in the EXTRACTOR nsfe extract method function, located in plugins/nsfe extractor.c. This error can lead to an infinite loop when a crafted size is encountered.

Recommendations For GNU Libextractor version 1.4, consider applying a patch to fix the integer signedness error in the EXTRACTOR nsfe extract method function to prevent infinite loops for crafted chunk sizes.

Exploit

Fix

Infinite Loop

Weakness Enumeration

CWE-835

Related Identifiers

ALT-PU-2017-2450

CVE-2017-15602

DLA-1198-1

USN-4641-1

Affected Products

Alt Linux

Gnu Libextractor

Ubuntu

References · 23

• 🔥 http://lists.gnu.org/archive/html/bug-libextractor/2017-10/msg00005.html · Exploit
• https://osv.dev/vulnerability/DEBIAN-CVE-2017-15602 · Vendor Advisory
• https://ubuntu.com/security/CVE-2017-17440 · Vendor Advisory
• https://ubuntu.com/security/CVE-2017-15266 · Vendor Advisory
• https://ubuntu.com/security/CVE-2017-15601 · Vendor Advisory
• https://osv.dev/vulnerability/UBUNTU-CVE-2017-15602 · Vendor Advisory
• https://ubuntu.com/security/CVE-2017-15267 · Vendor Advisory
• https://security-tracker.debian.org/tracker/CVE-2017-15602 · Vendor Advisory
• https://ubuntu.com/security/CVE-2018-16430 · Vendor Advisory
• https://ubuntu.com/security/CVE-2017-15602 · Vendor Advisory
• https://ubuntu.com/security/CVE-2018-14346 · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2017-15602 · Vendor Advisory
• https://osv.dev/vulnerability/USN-4641-1 · Vendor Advisory
• https://cve.org/CVERecord?id=CVE-2017-15602 · Security Note
• https://ubuntu.com/security/CVE-2017-15922 · Vendor Advisory