Heap-based buffer overflow in Glibc - CVE-2012-4412
Published: October 10, 2013 / Updated: August 11, 2020
Vulnerability identifier: #VU42478
CSH Severity: Medium
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P/U:Green
CVE-ID: CVE-2012-4412
CWE-ID: CWE-122
Exploitation vector: Remote access
Exploit availability:
Public exploit is available
Vendor: GNU
Affected software:
Glibc
Glibc
Detailed vulnerability description
The vulnerability allows a remote attacker to execute arbitrary code on the target system.
The vulnerability exists due to a boundary error in Integer overflow in string/strcoll_l.c in the GNU C Library (aka glibc or libc6) 2.17 and earlier. A remote attacker can use a long string to trigger heap-based buffer overflow and execute arbitrary code on the target system.
Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.
How to mitigate CVE-2012-4412
Cybersecurity Help is currently unaware of any official solution to address this vulnerability.
Sources
- http://packetstormsecurity.com/files/153278/WAGO-852-Industrial-Managed-Switch-Series-Code-Execution-Hardcoded-Credentials.html
- http://seclists.org/fulldisclosure/2019/Jun/18
- http://secunia.com/advisories/55113
- http://sourceware.org/bugzilla/show_bug.cgi?id=14547
- http://www.mandriva.com/security/advisories?name=MDVSA-2013:283
- http://www.mandriva.com/security/advisories?name=MDVSA-2013:284
- http://www.openwall.com/lists/oss-security/2012/09/07/9
- http://www.ubuntu.com/usn/USN-1991-1
- https://bugzilla.redhat.com/show_bug.cgi?id=855385
- https://seclists.org/bugtraq/2019/Jun/14
- https://security.gentoo.org/glsa/201503-04