NULL pointer dereference in libpng - CVE-2016-10087

Vulnerability identifier: #VU39764

CSH Severity: Medium

CVSS v4: 8.7 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N]

CVE-ID: CVE-2016-10087

CWE-ID: CWE-476

Exploitation vector: Remote access

Exploit availability: No public exploit available

The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to a NULL pointer dereference error in libpng 0.71 before 1.0.67, 1.2.x before 1.2.57, 1.4.x before 1.4.20, 1.5.x before 1.5.28, and 1.6.x before 1.6.27 allows context-dependent attackers to cause a NULL pointer dereference vectors involving loading a text chunk into a png structure, removing the text, and then adding another text chunk to the structure. A remote attacker can perform a denial of service (DoS) attack.

libpng
Arch Linux
Gentoo Linux
SUSE Linux Enterprise Server 12 SP5 LTSS Extended
SUSE Linux Enterprise Server for SAP Applications 12
SUSE Linux Enterprise Server 12
Fedora
Slackware Linux
Ubuntu
openEuler
libpng10
libpng (Ubuntu package)
libpng12
libpng15
libpng15-15
libpng15-15-debuginfo
libpng15-debugsource
syslinux-extlinux-nonlinux
syslinux-perl
syslinux-nonlinux
syslinux-tftpboot
syslinux-debuginfo
syslinux-debugsource
syslinux-devel
syslinux
syslinux-efi64
syslinux-extlinux

Cybersecurity Help is currently unaware of any official solution to address this vulnerability.

libpng10 - addressed in versions 1.0.67-1.el6, 1.0.67-1.fc24, 1.0.67-1.fc25
libpng (Ubuntu package) - addressed in versions 1.2.50-1ubuntu2.14.04.3+esm2, 1.2.54-1ubuntu1.1+esm3, 1.6.20-2ubuntu0.1~esm4, 1.6.34-1ubuntu0.18.04.2+esm3, 1.6.37-2ubuntu0.1~esm3, 1.6.37-3ubuntu0.6
libpng12 - addressed in versions 1.2.57-1.fc24, 1.2.57-1.fc25, 1.2.57-1.fc26
libpng15 - addressed in versions 1.5.28-1.fc24, 1.5.28-1.fc25
libpng15-15 - update to 1.5.30-10.13.1
libpng15-15-debuginfo - update to 1.5.30-10.13.1
libpng15-debugsource - update to 1.5.30-10.13.1
syslinux-extlinux-nonlinux - update to 6.04-16
syslinux-perl - update to 6.04-16
syslinux-nonlinux - update to 6.04-16
syslinux-tftpboot - update to 6.04-16
syslinux-debuginfo - update to 6.04-16
syslinux-debugsource - update to 6.04-16
syslinux-devel - update to 6.04-16
syslinux - update to 6.04-16
syslinux-efi64 - update to 6.04-16
syslinux-extlinux - update to 6.04-16

• http://www.openwall.com/lists/oss-security/2016/12/29/2
• http://www.openwall.com/lists/oss-security/2016/12/30/4
• http://www.securityfocus.com/bid/95157
• https://security.gentoo.org/glsa/201701-74
• https://usn.ubuntu.com/3712-1/
• https://usn.ubuntu.com/3712-2/

• NULL pointer dereference in libpng
• Arch Linux update for lib32-libpng12
• Arch Linux update for lib32-libpng
• Arch Linux update for libpng12
• Arch Linux update for libpng
• Gentoo update for libpng
• Slackware Linux update for libpng
• openEuler update for syslinux
• Fedora 24 update for libpng10
• Fedora EPEL 6 update for libpng10
• Fedora 25 update for libpng10
• Fedora 25 update for libpng15
• Fedora 24 update for libpng15
• Fedora 26 update for libpng12
• Fedora 24 update for libpng12
• Fedora 25 update for libpng12
• SUSE update for libpng15
• Ubuntu update for libpng