Out-of-bounds read in libcroco - CVE-2017-7960

Vulnerability identifier: #VU27952

CSH Severity: Medium

CVSS v4: 6.9 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N]

CVE-ID: CVE-2017-7960

CWE-ID: CWE-125

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 boundary error in the cr_input_new_from_uri function in cr-input.c in libcroco. A remote attacker can perform a denial of service (heap-based buffer over-read) via a crafted CSS file.

libcroco
Isolation Segment
VMware Tanzu Application Service for VMs
Gentoo Linux
Ubuntu
libcroco (Alpine package)
libcroco-tools (Ubuntu package)
libcroco3 (Ubuntu package)
dev-libs/libcroco
VMware Tanzu Operations Manager

Install update from vendor's website.

libcroco - update to 0.6.13
libcroco (Alpine package) - addressed in versions 0.6.12-r1, 0.6.12-r2, 0.6.13-r1
libcroco-tools (Ubuntu package) - addressed in versions Ubuntu Pro, 0.6.13-1ubuntu0.1, 0.6.111ubuntu0.1~esm1
libcroco3 (Ubuntu package) - addressed in versions Ubuntu Pro, 0.6.13-1ubuntu0.1, 0.6.111ubuntu0.1~esm1
dev-libs/libcroco - update to 0.6.12-r1
VMware Tanzu Operations Manager - addressed in versions 2.9.39, 2.10.40

• http://lists.opensuse.org/opensuse-security-announce/2019-06/msg00043.html
• https://blogs.gentoo.org/ago/2017/04/17/libcroco-heap-overflow-and-undefined-behavior/
• https://git.gnome.org/browse/libcroco/commit/?id=898e3a8c8c0314d2e6b106809a8e3e93cf9d4394
• https://security.gentoo.org/glsa/201707-13

• Denial of service in Gnome libcroco
• Out-of-bounds read in libcroco (Alpine package)
• Ubuntu update for libcroco
• VMware Tanzu products update for Libcroco
• Ubuntu update for libcroco
• Gentoo update for libcroco