Vulnerability Name:

CCN-68483

Published:2011-07-08
Updated:2011-07-08
Summary:FreeType could allow a remote attacker to execute arbitrary code on the system, caused by an error in the t1_decoder_parse_charstrings() function. By persuading a victim to open a specially-crafted document containing an embedded PostScript Type1 font, a remote attacker could exploit this vulnerability to execute arbitrary code on the system.

Note: This vulnerability also affects Apple iOS for iPhone, iPod touch, and iPad.
CVSS v3 Severity:7.3 High (CCN CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L)
Exploitability Metrics:Attack Vector (AV): Network
Attack Complexity (AC): Low
Privileges Required (PR): None
User Interaction (UI): None
Scope:Scope (S): Unchanged
Impact Metrics:Confidentiality (C): Low
Integrity (I): Low
Availibility (A): Low
CVSS v2 Severity:6.8 Medium (CCN CVSS v2 Vector: AV:N/AC:M/Au:N/C:P/I:P/A:P)
5.5 Medium (CCN Temporal CVSS v2 Vector: AV:N/AC:M/Au:N/C:P/I:P/A:P/E:U/RL:U/RC:UR)
Exploitability Metrics:Access Vector (AV): Network
Access Complexity (AC): Medium
Athentication (Au): None
Impact Metrics:Confidentiality (C): Partial
Integrity (I): Partial
Availibility (A): Partial
Vulnerability Consequences:Gain Access
References:Source: CCN
Type: FreeType Mailing Lists, Fri, 08 Jul 2011 13:53:29 +0200
Re: [ft-devel] details on iPhone exploit caused by FreeType?

Source: CCN
Type: SA45167
FreeType PostScript Type1 Font Parsing Vulnerability

Source: CCN
Type: SA45224
Apple iOS FreeType PostScript Type1 Font Parsing Vulnerability

Source: CCN
Type: FreeType Web site
FreeType

Source: XF
Type: UNKNOWN
freetype-t1decoderparsecharstrings-ce(68483)

Vulnerable Configuration:Configuration CCN 1:
  • cpe:/o:apple:ios:4.3.2:*:*:*:*:*:*:*
  • OR cpe:/o:apple:ios:4.3.0:*:*:*:*:*:*:*
  • OR cpe:/o:apple:ios:4.3.1:*:*:*:*:*:*:*
  • OR cpe:/o:apple:ios:4.3.3:*:*:*:*:*:*:*
  • OR cpe:/a:freetype:freetype:2.4.5:*:*:*:*:*:*:*

  • * Denotes that component is vulnerable
    BACK
    apple iphone os 4.3.2
    apple iphone os 4.3.0
    apple iphone os 4.3.1
    apple iphone os 4.3.3
    freetype freetype 2.4.5