SB2019021816 - Ubuntu update for poppler
Published: February 18, 2019 Updated: February 1, 2023
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 2 secuirty vulnerabilities.
1) Reachable Assertion (CVE-ID: CVE-2018-20551)
The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to reachable Object::getString assertion due to construction of invalid rich media annotation assets in the AnnotRichMedia class in Annot.c. A remote attacker can cause a denial of service.
2) Heap-based buffer over-read (CVE-ID: CVE-2019-7310)
The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to an integer signedness error in the XRef::getEntry function in XRef.cc. A remote attacker can trick the victim into processing a specially crafted PDF document, as demonstrated by pdftocairo, trigger heap-based buffer over-read and perform a denial of service.
Remediation
Install update from vendor's website.