Buffer overflow in GNU C Library (glibc) - CVE-2015-8778

Vulnerability identifier: #VU110103

CSH Severity: High

CVSS v4: 9.3 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]

CVE-ID: CVE-2015-8778

CWE-ID: CWE-119

Exploitation vector: Remote access

Exploit availability: No public exploit available

The vulnerability allows a remote non-authenticated attacker to execute arbitrary code.

Integer overflow in the GNU C Library (aka glibc or libc6) before 2.23 allows context-dependent attackers to cause a denial of service (application crash) or possibly execute arbitrary code via the size argument to the __hcreate_r function, which triggers out-of-bounds heap-memory access.

GNU C Library (glibc)
Gentoo Linux
Red Hat Enterprise Linux Server
Red Hat Enterprise Linux Workstation
Red Hat Enterprise Linux Desktop
Red Hat Enterprise Linux for IBM z Systems
Red Hat Enterprise Linux for Power, big endian
Red Hat Enterprise Linux for Scientific Computing
System x Integrated Management Module (IMM2)
Flex System Integrated Management Module (IMM2)
Integrated Management Module II (IMM2) for BladeCenter Systems
glibc (Red Hat package)
sys-libs/glibc

Install update from vendor's website.

GNU C Library (glibc) - update to 2.23
System x Integrated Management Module (IMM2) - update to 1aoo72h-5.60
Flex System Integrated Management Module (IMM2) - update to 1aoo72h-5.60
Integrated Management Module II (IMM2) for BladeCenter Systems - update to 1aoo72h-5.60
glibc (Red Hat package) - update to 2.12-1.209.el6
sys-libs/glibc - update to 2.21-r2

• http://lists.fedoraproject.org/pipermail/package-announce/2016-May/184626.html
• http://lists.opensuse.org/opensuse-security-announce/2016-02/msg00036.html
• http://lists.opensuse.org/opensuse-security-announce/2016-02/msg00037.html
• http://lists.opensuse.org/opensuse-security-announce/2016-02/msg00038.html
• http://lists.opensuse.org/opensuse-security-announce/2016-02/msg00039.html
• http://lists.opensuse.org/opensuse-security-announce/2016-02/msg00042.html
• http://packetstormsecurity.com/files/154361/Cisco-Device-Hardcoded-Credentials-GNU-glibc-BusyBox.html
• http://rhn.redhat.com/errata/RHSA-2017-0680.html
• http://seclists.org/fulldisclosure/2019/Sep/7
• http://www.debian.org/security/2016/dsa-3480
• http://www.debian.org/security/2016/dsa-3481
• http://www.openwall.com/lists/oss-security/2016/01/19/11
• http://www.openwall.com/lists/oss-security/2016/01/20/1
• http://www.securityfocus.com/bid/83275
• http://www.ubuntu.com/usn/USN-2985-1
• http://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=18240
• https://www.sourceware.org/ml/libc-alpha/2016-02/msg00502.html

• Multiple vulnerabilities in Glibc
• Gentoo update for GNU C Library
• Red Hat Enterprise Linux 6 update for glibc
• Multiple vulnerabilities in IBM Integrated Management Module II (IMM2) for System x, Flex and BladeCenter systems