SB2017100308 - Ubuntu update for poppler
Published: October 3, 2017
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 2 secuirty vulnerabilities.
1) NULL pointer derefenrece (CVE-ID: CVE-2017-14517)
The vulnerability allows a remote attacker to cause a denial of service (DoS) conditions.
The vulnerability exists due to an error in XRef::parseEntry() function in XRef.cc when processing PDF documents. A remote attacker can send a specially crafted document, trigger NULL pointer dereference and perform a denial of service attack.
Successful exploitation of the vulnerability may allow an attacker to cause application crash.
2) Infinite loop (CVE-ID: CVE-2017-14519)
The vulnerability allows a remote attacker to cause a denial of service (DoS) conditions.
The vulnerability exists due to an error in Object::streamGetChar in Object.h after a repeating series of Gfx::display, Gfx::go, Gfx::execOp, Gfx::opShowText, and Gfx::doShowText calls when processing PDF documents. A remote attacker can send a specially crafted document, trigger infinite loop and perform a denial of service attack.
Successful exploitation of the vulnerability may allow an attacker to cause application crash.
Remediation
Install update from vendor's website.