SB2020021502 - Debian update for evince

Description

This security bulletin contains information about 3 secuirty vulnerabilities.

1) Command injection (CVE-ID: CVE-2017-1000159)

The vulnerability allows a remote attacker to perform command injection attack on the target system.

The weakness exists due to an error when handling printing certain DVI files. A remote attacker can trick the victim into opening and printing a specially-named DVI file, inject arbitrary commands and execute arbitrary code with elevated privileges.

Successful exploitation of the vulnerability may result in system compromise.

2) Buffer overflow (CVE-ID: CVE-2019-1010006)

The vulnerability allows a remote attacker to execute arbitrary code or cause a denial of service (DoS) condition on a targeted system.

The vulnerability exists due to a buffer overflow condition in the "backend/tiff/tiff-document.c" when handling PDF files. A remote attacker can trick a victim to open a specially crafted PDF file and execute arbitrary code or cause a DoS condition on the targeted system.

3) Access of Uninitialized Pointer (CVE-ID: CVE-2019-11459)

The vulnerability allows a remote attacker to gain access to sensitive information.

The vulnerability exists due tothe TIFFReadRGBAImageOriented() function called from tiff_document_render() and tiff_document_get_thumbnail() functions in the backend/tiff/tiff-document.c in GNOME Evince returns uninitialized memory instead of false, when failing to read an image. A remote attacker can gain access to sensitive information on the system.

Remediation

Install update from vendor's website.

References

• https://www.debian.org/security/2020/dsa-4624