Bug 775125 (CVE-2020-35521, CVE-2020-35522, CVE-2020-35523, CVE-2020-35524)

Summary:	<media-libs/tiff-4.2.0: Multiple vulnerabilities (CVE-2020-{35521,35522,35523,35524})
Product:	Gentoo Security	Reporter:	Sam James <sam>
Component:	Vulnerabilities	Assignee:	Gentoo Security <security>
Status:	RESOLVED FIXED
Severity:	major	CC:	codec
Priority:	Normal
Version:	unspecified
Hardware:	All
OS:	Linux
Whiteboard:	A2 [glsa+ cve]
Package list:		Runtime testing required:	---

Description Sam James archtester

2021-03-09 20:49:21 UTC

* CVE-2020-35524

Description:
"A heap-based buffer overflow flaw was found in libtiff in the handling of TIFF images in libtiff's TIFF2PDF tool. A specially crafted TIFF file can lead to arbitrary code execution. The highest threat from this vulnerability is to confidentiality, integrity, as well as system availability."

* CVE-2020-35523

Description:
"An integer overflow flaw was found in libtiff that exists in the tif_getimage.c file. This flaw allows an attacker to inject and execute arbitrary code when a user opens a crafted TIFF file. The highest threat from this vulnerability is to confidentiality, integrity, as well as system availability."

* CVE-2020-35522

Description:
"In LibTIFF, there is a memory malloc failure in tif_pixarlog.c. A crafted TIFF document can lead to an abort, resulting in a remote denial of service attack."

* CVE-2020-35521

Description:
"A flaw was found in libtiff. Due to a memory allocation failure in tif_read.c, a crafted TIFF file can lead to an abort, resulting in denial of service."

Comment 1 Thomas Deutschmann (RETIRED) gentoo-dev

2021-04-30 23:10:43 UTC

New GLSA request filed.

Comment 2 GLSAMaker/CVETool Bot gentoo-dev

2021-05-01 00:02:02 UTC

This issue was resolved and addressed in
 GLSA 202104-06 at https://security.gentoo.org/glsa/202104-06
by GLSA coordinator Thomas Deutschmann (whissi).