Bug 1577392 – CVE-2018-10801 libtiff: memory leak in bmp2tiff tool

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Bug 1577392 - (CVE-2018-10801) CVE-2018-10801 libtiff: memory leak in bmp2tiff tool

Summary:	CVE-2018-10801 libtiff: memory leak in bmp2tiff tool

Status:	NEW

Aliases:	CVE-2018-10801

Product:	Security Response
Classification:	Other
Component:	vulnerability (Show other bugs)
Sub Component:
Version:	unspecified
Hardware:	All Linux

Priority	low Severity low
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Target Release:	---
Assigned To:	Red Hat Product Security
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URL:
Whiteboard:	impact=low,public=20180507,reported=2...
Keywords:	Security

Depends On:	1577314 1577315 1577393 1598706 1577316
Blocks:	1577318
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Reported:	2018-05-11 17:39 EDT by Laura Pardo
Modified:	2018-07-10 15:38 EDT (History)
CC List:	5 users (show)

See Also:
Fixed In Version:
Doc Type:	If docs needed, set a value
Doc Text:	A memory leak has been discovered in tools/bmp2tiff.c in libtiff, when the iBitCount header value is not acceptable. An attacker may use this flaw to cause a Denial of Service.
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Description Laura Pardo 2018-05-11 17:39:14 EDT

A flaw was found in LibTIFF 3.8.2TIFF. The ClientOpen function in tif_unix.c file has memory leaks which allow local attackers to cause a denial of service (memory consumption) via crafted file.


References:
http://bugzilla.maptools.org/show_bug.cgi?id=2790

Comment 1 Laura Pardo 2018-05-11 17:41:10 EDT

Created libtiff tracking bugs for this issue:

Affects: fedora-all [bug 1577316]


Created mingw-libtiff tracking bugs for this issue:

Affects: epel-7 [bug 1577314]
Affects: fedora-all [bug 1577315]

Comment 5 Riccardo Schirone 2018-07-06 05:32:38 EDT

In bmp2tiff tool a file is opened for writing with TIFFOpen, but when the iBitCount header value is wrong, the tool exits without closing the file.

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