CVE-2019-9959 Information

Description

The JPXStream::init function in Poppler 0.78.0 and earlier doesn’t check for negative values of stream length leading to an Integer Overflow thereby making it possible to allocate a large memory chunk on the heap with a size controlled by an attacker as demonstrated by pdftocairo.

CVSS Vector

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

Reference

http://www.securityfocus.com/bid/109342 https://access.redhat.com/errata/RHSA-2019:2713 https://gitlab.freedesktop.org/poppler/poppler/blob/master/NEWS https://lists.debian.org/debian-lts-announce/2019/10/msg00024.html https://lists.debian.org/debian-lts-announce/2020/11/msg00014.html https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/5ZOYOZTGU4RGZW4E63OZ7LW4SMPEWGBV/ https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/A6NX2XPMMV7O52F4NBNCHGILGJXM3OJZ/

Attack Complexity

LOW

Privileges Required

NONE

User Interaction Required

NONE

Scope

REQUIRED

Confidentiality Impact

UNCHANGED

Integrity Impact

NONE

Availability Impact

NONE

Base Score

HIGH

Base Severity

6.5