PT-2018-2623 · Gnu+3 · Gnu Binutils+3

Zerokeeper · Published 2018-11-27 · Updated 2025-05-06 · CVE-2018-20623

Positive Technologies (AI Summary)

CVSS v3.1

5.5

Medium

Base vector

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

Name of the Vulnerable Software and Affected Versions GNU Binutils version 2.31.1

Description The issue is related to a use-after-free error in the error function in elfcomm.c, which can be triggered by a crafted ELF file. This can potentially allow an attacker to cause a denial of service.

Recommendations For GNU Binutils version 2.31.1, consider avoiding the use of crafted ELF files until a patch is available. As a temporary workaround, restrict access to the error function in elfcomm.c to minimize the risk of exploitation. At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Exploit

Use After Free

Weakness Enumeration

CWE-416

Related Identifiers

ALT-PU-2019-3046

BDU:2019-01233

CVE-2018-20623

OPENSUSE-SU-2019:2415-1

OPENSUSE-SU-2019:2432-1

OPENSUSE-SU-2019_2415-1

OPENSUSE-SU-2019_2432-1

OPENSUSE-SU-2024:10651-1

SUSE-SU-2019:2650-1

SUSE-SU-2019:2779-1

SUSE-SU-2019:2780-1

USN-4336-1

USN-4336-2

Affected Products

Alt Linux

Gnu Binutils

Suse

Ubuntu

References · 663

• 🔥 https://sourceware.org/bugzilla/show_bug.cgi?id=24049 · Exploit
• https://bdu.fstec.ru/vul/2023-07744 · Security Note
• http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-14529 · Security Note
• https://wiki.astralinux.ru/astra-linux-se17-bulletin-2025-0923SE17 · Vendor Advisory
• http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-7569 · Security Note
• https://osv.dev/vulnerability/openSUSE-SU-2019:2432-1 · Vendor Advisory
• https://ubuntu.com/security/CVE-2017-12453 · Vendor Advisory
• http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-7224 · Security Note
• http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-15225 · Security Note
• https://ubuntu.com/security/CVE-2017-12456 · Vendor Advisory
• https://bdu.fstec.ru/vul/2023-07807 · Security Note
• https://osv.dev/vulnerability/openSUSE-SU-2024:10651-1 · Vendor Advisory
• http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-6965 · Security Note
• https://bdu.fstec.ru/vul/2023-03807 · Security Note
• http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-9073 · Security Note