Vulnerability Name:

CVE-2015-5756 (CCN-105814)

Assigned:2015-08-12
Published:2015-08-12
Updated:2016-12-24
Summary:FontParser in Apple iOS before 8.4.1 and OS X before 10.10.5 allows remote attackers to execute arbitrary code or cause a denial of service (memory corruption and application crash) via a crafted font file, a different vulnerability than CVE-2015-3804 and CVE-2015-5775.
CVSS v3 Severity:6.3 Medium (CCN CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:L)
5.5 Medium (CCN Temporal CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:L/E:U/RL:O/RC:C)
Exploitability Metrics:Attack Vector (AV): Network
Attack Complexity (AC): Low
Privileges Required (PR): None
User Interaction (UI): Required
Scope:Scope (S): Unchanged
Impact Metrics:Confidentiality (C): Low
Integrity (I): Low
Availibility (A): Low
CVSS v2 Severity:6.8 Medium (CVSS v2 Vector: AV:N/AC:M/Au:N/C:P/I:P/A:P)
Exploitability Metrics:Access Vector (AV): Network
Access Complexity (AC): Medium
Authentication (Au): None
Impact Metrics:Confidentiality (C): Partial
Integrity (I): Partial
Availibility (A): Partial
6.5 Medium (CCN CVSS v2 Vector: AV:N/AC:L/Au:S/C:P/I:P/A:P)
Exploitability Metrics:Access Vector (AV): Network
Access Complexity (AC): Low
Athentication (Au): Single_Instance
Impact Metrics:Confidentiality (C): Partial
Integrity (I): Partial
Availibility (A): Partial
Vulnerability Type:CWE-119
Vulnerability Consequences:Gain Access
References:Source: MITRE
Type: CNA
CVE-2015-5756

Source: APPLE
Type: Vendor Advisory
APPLE-SA-2015-08-13-2

Source: APPLE
Type: Vendor Advisory
APPLE-SA-2015-08-13-3

Source: BID
Type: UNKNOWN
76343

Source: CCN
Type: BID-76343
Apple Mac OS X and iOS Multiple Security Vulnerabilities

Source: SECTRACK
Type: UNKNOWN
1033275

Source: XF
Type: UNKNOWN
appleios-cve20155756-code-exec(105814)

Source: CCN
Type: Apple Web site
About the security content of iOS 8.4.1

Source: CONFIRM
Type: Vendor Advisory
https://support.apple.com/kb/HT205030

Source: CONFIRM
Type: Vendor Advisory
https://support.apple.com/kb/HT205031

Vulnerable Configuration:Configuration 1:
  • cpe:/o:apple:iphone_os:*:*:*:*:*:*:*:* (Version <= 8.4)
  • OR cpe:/o:apple:mac_os_x:*:*:*:*:*:*:*:* (Version <= 10.10.4)

    • Configuration CCN 1:
  • cpe:/o:apple:ios:8.4:*:*:*:*:*:*:*

    • * Denotes that component is vulnerable
    BACK
    apple iphone os *
    apple mac os x *
    apple iphone os 8.4