Bug 1939210 (CVE-2020-36280) - CVE-2020-36280 leptonica: heap-based buffer overflow in pixReadFromTiffStream
Summary: CVE-2020-36280 leptonica: heap-based buffer overflow in pixReadFromTiffStream
Keywords:
Status: CLOSED NOTABUG
Alias: CVE-2020-36280
Product: Security Response
Classification: Other
Component: vulnerability
Version: unspecified
Hardware: All
OS: Linux
medium
medium
Target Milestone: ---
Assignee: Red Hat Product Security
QA Contact:
URL:
Whiteboard:
Depends On: 1939213 1939211 1939212 1942948
Blocks: 1939215
TreeView+ depends on / blocked
 
Reported: 2021-03-15 18:01 UTC by Guilherme de Almeida Suckevicz
Modified: 2021-10-28 14:08 UTC (History)
3 users (show)

Fixed In Version:
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Doc Text:
A flaw was found in leptonica. A heap-based buffer over-read in the pixReadFromTiffStream function in tiffio.c file may allow an attacker to read data from an application using leptonica. The highest threat from this vulnerability is to data confidentiality.
Clone Of:
Environment:
Last Closed: 2021-10-28 14:08:02 UTC
Embargoed:


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Description Guilherme de Almeida Suckevicz 2021-03-15 18:01:52 UTC
Leptonica before 1.80.0 allows a heap-based buffer over-read in pixReadFromTiffStream, related to tiffio.c.

Reference:
https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=23654

Upstream patch:
https://github.com/DanBloomberg/leptonica/commit/5ba34b1fe741d69d43a6c8cf767756997eadd87c

Comment 1 Guilherme de Almeida Suckevicz 2021-03-15 18:02:17 UTC
Created leptonica tracking bugs for this issue:

Affects: epel-7 [bug 1939213]
Affects: fedora-all [bug 1939211]


Created mingw-leptonica tracking bugs for this issue:

Affects: fedora-all [bug 1939212]


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