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Family: Mandrake Local Security Checks --> Category: infos

MDKSA-2006:099-1: freetype2 Vulnerability Scan

Vulnerability Scan Summary
Check for the version of the freetype2 package

Detailed Explanation for this Vulnerability Test

The remote host is missing the patch for the advisory MDKSA-2006:099-1 (freetype2).

Integer underflow in Freetype before 2.2 allows remote attackers to cause

a denial of service (crash) via a font file with an odd number of blue

values, which causes the underflow when decrementing by 2 in a context

that assumes an even number of values. (CVE-2006-0747)

Multiple integer overflows in FreeType before 2.2 allow remote attackers to

cause a denial of service (crash) and possibly execute arbitrary code via

attack vectors related to (1) bdf/bdflib.c, (2) sfnt/ttcmap.c,

(3) cff/cffgload.c, and (4) the read_lwfn function and a crafted LWFN file

in base/ftmac.c. (CVE-2006-1861)

Ftutil.c in Freetype before 2.2 allows remote attackers to cause a denial

of service (crash) via a crafted font file that triggers a null dereference.


In addition, a patch is applied to 2.1.10 in Mandriva 2006 to fix a serious

bug in ttkern.c that caused some programs to go into an infinite loop when

dealing with fonts that don't have a properly sorted kerning sub-table.

This patch is not applicable to the earlier Mandriva releases.


The previous update introduced some issues with other applications and

libraries linked to libfreetype, that were missed in testing for the

vulnerabilty issues. The new packages correct these issues.

Solution :
Threat Level: High

Click HERE for more information and discussions on this network vulnerability scan.


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