897904 – (CVE-2023-0996, CVE-2023-29659) <media-libs/libheif-1.15.2: buffer overflow

Bug 897904 (CVE-2023-0996, CVE-2023-29659) - <media-libs/libheif-1.15.2: buffer overflow

Summary: <media-libs/libheif-1.15.2: buffer overflow

Status:	IN_PROGRESS

Alias:	CVE-2023-0996, CVE-2023-29659

Product:	Gentoo Security
Classification:	Unclassified
Component:	Vulnerabilities (show other bugs)
Hardware:	All Linux

Importance:	Normal minor (vote)
Assignee:	Gentoo Security

URL:
Whiteboard:	B3 [stable?]
Keywords:

Depends on:
Blocks:

Reported:	2023-02-26 17:03 UTC by John Helmert III
Modified:	2023-09-07 06:39 UTC (History)
CC List:	2 users (show)

See Also:
Package list:
Runtime testing required:	---

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Description John Helmert III archtester

2023-02-26 17:03:43 UTC

CVE-2023-0996 (https://github.com/strukturag/libheif/pull/759):
https://govtech-csg.github.io/security-advisories/2023/02/24/CVE-2023-0996.html

There is a vulnerability in the strided image data parsing code in the emscripten wrapper for libheif. An attacker could exploit this through a crafted image file to cause a buffer overflow in linear memory during a memcpy call.

Patch is in >=1.15.0: https://github.com/strukturag/libheif/commit/3c8e92448c10a57a7f1ec8536c6e5427fb2c7c62

Comment 1 Jakov Smolić archtester

2023-04-11 10:47:52 UTC

From ed6ed01d61b2aa3d65236a3f4d72a0f3f7d5b092 Mon Sep 17 00:00:00 2001
From: Guillermo Joandet <gjoandet@gmail.com>
Date: Sat, 8 Apr 2023 21:14:25 -0300
Subject: media-libs/libheif: Version bump to 1.15.2

Comment 2 John Helmert III archtester

2023-04-30 23:06:07 UTC

Thanks! Please stabilize when ready.

Comment 3 John Helmert III archtester

2023-05-07 04:46:12 UTC

CVE-2023-29659 (https://github.com/strukturag/libheif/issues/794):

A Segmentation fault caused by a floating point exception exists in libheif 1.15.1 using crafted heif images via the heif::Fraction::round() function in box.cc, which causes a denial of service.

Fix is in 1.15.2.