SB2018010808 - Ubuntu update for poppler

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Main Vulnerability Database SB2018010808

SB2018010808 - Ubuntu update for poppler

Published: January 8, 2018

Security Bulletin ID SB2018010808
CSH Severity
Low
Patch available
YES
Number of vulnerabilities 2
Exploitation vector Remote access
Highest impact Denial of service

Breakdown by Severity

Low 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 2 vulnerabilities.


1) Memory corruption (CVE-ID: CVE-2017-1000456)

CWE-ID: CWE-119 - Memory corruption

CVSSv4: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:U/U:Clear


The vulnerability allows a remote attacker to cause DoS condition on the target system.

The weakness exists due to improper validation of boundaries in TextPool::addWord in freedesktop.org libpoppler. A remote attacker can trigger overflow in subsequent calculations and cause the service to crash.

2) Heap-based buffer overflow (CVE-ID: CVE-2017-14976)

CWE-ID: CWE-122 - Heap-based Buffer Overflow

CVSSv4: CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear


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

The vulnerability exists due to boundary error in FoFiType1C::convertToType0 function in FoFiType1C.cc when processing fonts in documents. A remote unauthenticated attacker can create a specially crafted document and trigger application crash.


Remediation

Install update from vendor's website.

References