#VU110101 Stack-based buffer overflow in Glibc - CVE-2015-8779

Vulnerability identifier: #VU110101

Vulnerability risk: High

CVSSv4.0: N/A

CVE-ID: CVE-2015-8779

CWE-ID: CWE-121

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
Glibc
Universal components / Libraries / Libraries used by multiple products

Vendor: GNU

Description

The vulnerability allows a remote attacker to execute arbitrary code on the target system.

The vulnerability exists due to a boundary error when processing a long catalog name. A remote unauthenticated attacker can trigger stack-based buffer overflow and execute arbitrary code on the target system.

Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.

Mitigation
Install update from vendor's website.

Vulnerable software versions

Glibc: 0.1 - 2.22.90

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External links
https://lists.fedoraproject.org/pipermail/package-announce/2016-May/184626.html
https://lists.opensuse.org/opensuse-security-announce/2016-02/msg00036.html
https://lists.opensuse.org/opensuse-security-announce/2016-02/msg00037.html
https://lists.opensuse.org/opensuse-security-announce/2016-02/msg00038.html
https://lists.opensuse.org/opensuse-security-announce/2016-02/msg00039.html
https://lists.opensuse.org/opensuse-security-announce/2016-02/msg00042.html
https://packetstormsecurity.com/files/154361/Cisco-Device-Hardcoded-Credentials-GNU-glibc-BusyBox.html
https://rhn.redhat.com/errata/RHSA-2017-0680.html
https://seclists.org/fulldisclosure/2019/Sep/7
https://www.debian.org/security/2016/dsa-3480
https://www.debian.org/security/2016/dsa-3481
https://www.openwall.com/lists/oss-security/2016/01/19/11
https://www.openwall.com/lists/oss-security/2016/01/20/1
https://www.securityfocus.com/bid/82244
https://www.ubuntu.com/usn/USN-2985-1
https://www.ubuntu.com/usn/USN-2985-2
https://access.redhat.com/errata/RHSA-2017:1916
https://seclists.org/bugtraq/2019/Sep/7
https://security.gentoo.org/glsa/201602-02
https://security.gentoo.org/glsa/201702-11
https://sourceware.org/bugzilla/show_bug.cgi?id=17905
https://www.sourceware.org/ml/libc-alpha/2016-02/msg00502.html

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Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.