Vulnerability CVE-2017-8105


Published: 2017-04-24

Description:
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.

Type:

CWE-787

Vendor: Debian
Product: Debian linux 
Version: 8.0;
Vendor: Freetype
Product: Freetype 
Version: 2.7.1;
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

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

CVSS Base Score
Impact Subscore
Exploitability Subscore
7.5/10
6.4/10
10/10
Exploit range
Attack complexity
Authentication
Remote
Low
No required
Confidentiality impact
Integrity impact
Availability impact
Partial
Partial
Partial

 References:
http://git.savannah.gnu.org/cgit/freetype/freetype2.git/commit/?id=f958c48ee431bef8d4d466b40c9cb2d4dbcb7791
http://www.debian.org/security/2017/dsa-3839
http://www.securityfocus.com/bid/99093
https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=935
https://security.gentoo.org/glsa/201706-14
https://www.oracle.com/technetwork/security-advisory/cpuapr2019-5072813.html

Related CVE
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-2017-7864
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.
CVE-2017-7858
FreeType 2 before 2017-03-07 has an out-of-bounds write related to the TT_Get_MM_Var function in truetype/ttgxvar.c and the sfnt_init_face function in sfnt/sfobjs.c.
CVE-2017-7857
FreeType 2 before 2017-03-08 has an out-of-bounds write caused by a heap-based buffer overflow related to the TT_Get_MM_Var function in truetype/ttgxvar.c and the sfnt_init_face function in sfnt/sfobjs.c.
CVE-2016-10328
FreeType 2 before 2016-12-16 has an out-of-bounds write caused by a heap-based buffer overflow related to the cff_parser_run function in cff/cffparse.c.
CVE-2016-10244
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 i...

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