Vulnerability CVE-2016-10244


Published: 2017-03-06

Description:
The parse_charstrings function in type1/t1load.c in FreeType 2 before 2.7 does not ensure that a font contains a glyph name, which allows remote attackers to cause a denial of service (heap-based buffer over-read) or possibly have unspecified other impact via a crafted file.

Type:

CWE-125

(Out-of-bounds Read)

Vendor: Debian
Product: Debian linux 
Version: 8.0;
Vendor: Freetype
Product: Freetype2 
Version:
2.7.0
2.7
2.6.5
2.6.4
2.6.3
2.6.2
2.6.1
2.6.0
2.5.5
2.5.4
2.5.3
2.5.2
2.5.1
2.5.0.1
2.5.0
2.4.9
2.4.8
2.4.7
2.4.6
2.4.5
2.4.4
2.4.3
2.4.2
2.4.12
2.4.11
2.4.10
2.4.1
2.4.0
Product: Freetype 
Version: 2.7;

CVSS2 => (AV:N/AC:M/Au:N/C:P/I:P/A:P)

CVSS Base Score
Impact Subscore
Exploitability Subscore
6.8/10
6.4/10
8.6/10
Exploit range
Attack complexity
Authentication
Remote
Medium
No required
Confidentiality impact
Integrity impact
Availability impact
Partial
Partial
Partial

 References:
http://git.savannah.gnu.org/cgit/freetype/freetype2.git/tree/ChangeLog?h=VER-2-7
http://www.debian.org/security/2017/dsa-3839
http://www.securityfocus.com/bid/97405
http://www.securitytracker.com/id/1038090
http://www.securitytracker.com/id/1038201
https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=36
https://security.gentoo.org/glsa/201706-14
https://source.android.com/security/bulletin/2017-04-01

Related CVE
CVE-2015-9383
FreeType before 2.6.2 has a heap-based buffer over-read in tt_cmap14_validate in sfnt/ttcmap.c.
CVE-2015-9382
FreeType before 2.6.1 has a buffer over-read in skip_comment in psaux/psobjs.c because ps_parser_skip_PS_token is mishandled in an FT_New_Memory_Face operation.
CVE-2015-9381
FreeType before 2.6.1 has a heap-based buffer over-read in T1_Get_Private_Dict in type1/t1parse.c.
CVE-2015-9290
In FreeType before 2.6.1, a buffer over-read occurs in type1/t1parse.c on function T1_Get_Private_Dict where there is no check that the new values of cur and limit are sensible before going to Again.
CVE-2018-6942
An issue was discovered in FreeType 2 through 2.9. A NULL pointer dereference in the Ins_GETVARIATION() function within ttinterp.c could lead to DoS via a crafted font file.
CVE-2017-8287
FreeType 2 before 2017-03-26 has an out-of-bounds write caused by a heap-based buffer overflow related to the t1_builder_close_contour function in psaux/psobjs.c.
CVE-2017-8105
FreeType 2 before 2017-03-24 has an out-of-bounds write caused by a heap-based buffer overflow related to the t1_decoder_parse_charstrings function in psaux/t1decode.c.
CVE-2017-7864
FreeType 2 before 2017-02-02 has an out-of-bounds write caused by a heap-based buffer overflow related to the tt_size_reset function in truetype/ttobjs.c.

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