PT-2017-4269 · Gnu+3 · Glibc+3

Published 2017-02-08 · Updated 2024-06-15 · CVE-2017-12133

Positive Technologies (AI Summary)

CVSS v2.0

7.1

High

Base vector

AV:N/AC:M/Au:N/C:N/I:C/A:N

Name of the Vulnerable Software and Affected Versions glibc versions prior to 2.26

Description The issue is related to a use-after-free vulnerability in the clntudp call function, which can be exploited by a remote attacker to impact data integrity. This vulnerability is associated with the use of memory after it has been freed.

Recommendations For versions prior to 2.26, update to version 2.26 or later to resolve the issue. As a temporary workaround, consider restricting access to the clntudp call function in the sunrpc/clnt udp.c component to minimize the risk of exploitation.

Exploit

Fix

Use After Free

Weakness Enumeration

CWE-416

Related Identifiers

ALT-PU-2017-2833

BDU:2023-07724

CVE-2017-12133

MGASA-2017-0464

MGASA-2017-0470

OPENSUSE-SU-2024:10792-1

SUSE-SU-2018:0655-1

SUSE-SU-2018:0874-1

SUSE-SU-2018_0655-1

SUSE-SU-2018_0874-1

USN-4416-1

Affected Products

Alt Linux

Suse

Ubuntu

Glibc

References · 133

• 🔥 https://github.com/rapid7/metasploit-framework/blob/master/modules/exploits/linux/local/glibc_realpath_priv_esc.rb · Exploit
• 🔥 https://github.com/qazbnm456/awesome-cve-poc/blob/master/Stack-Clash.md · Exploit
• 🔥 https://github.com/0x00-0x00/CVE-2018-1000001 · Exploit
• https://advisories.mageia.org/MGASA-2017-0464.html · Security Note
• http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-15671 · Security Note
• http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-18269 · Security Note
• https://bdu.fstec.ru/vul/2022-05948 · Security Note
• https://bdu.fstec.ru/vul/2017-02451 · Security Note
• https://advisories.mageia.org/MGASA-2017-0470.html · Security Note
• https://errata.altlinux.org/ALT-PU-2017-2833 · Vendor Advisory
• https://usn.ubuntu.com/4416-1 · Vendor Advisory
• https://osv.dev/vulnerability/SUSE-SU-2018:0874-1 · Vendor Advisory
• https://bdu.fstec.ru/vul/2023-07723 · Security Note
• https://osv.dev/vulnerability/openSUSE-SU-2024:10792-1 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2017-12133 · Security Note