CVE-2017-5029 Information

Description

The xsltAddTextString function in transform.c in libxslt 1.1.29 as used in Blink in Google Chrome prior to 57.0.2987.98 for Mac Windows and Linux and 57.0.2987.108 for Android lacked a check for integer overflow during a size calculation which allowed a remote attacker to perform an out of bounds memory write via a crafted HTML page.

CVSS Vector

CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Reference

http://rhn.redhat.com/errata/RHSA-2017-0499.html http://www.debian.org/security/2017/dsa-3810 http://www.securityfocus.com/bid/96767 http://www.securitytracker.com/id/1038157 https://chromereleases.googleblog.com/2017/03/stable-channel-update-for-desktop.html https://crbug.com/676623 https://git.gnome.org/browse/libxslt/commit/?id=08ab2774b870de1c7b5a48693df75e8154addae5

Attack Complexity

LOW

Privileges Required

NONE

User Interaction Required

NONE

Scope

REQUIRED

Confidentiality Impact

UNCHANGED

Integrity Impact

HIGH

Availability Impact

HIGH

Base Score

HIGH

Base Severity

8.8