Vulnerability Name:

CVE-2011-3259 (CCN-70530)

Assigned:2011-10-12
Published:2011-10-12
Updated:2017-08-29
Summary:The kernel in Apple iOS before 5 and Apple TV before 4.4 does not properly recover memory allocated for incomplete TCP connections, which allows remote attackers to cause a denial of service (resource consumption) by making many connection attempts.
CVSS v3 Severity:5.3 Medium (CCN CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/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): None
Integrity (I): None
Availibility (A): Low
CVSS v2 Severity:5.0 Medium (CVSS v2 Vector: AV:N/AC:L/Au:N/C:N/I:N/A:P)
3.7 Low (Temporal CVSS v2 Vector: AV:N/AC:L/Au:N/C:N/I:N/A:P/E:U/RL:OF/RC:C)
Exploitability Metrics:Access Vector (AV): Network
Access Complexity (AC): Low
Authentication (Au): None
Impact Metrics:Confidentiality (C): None
Integrity (I): None
Availibility (A): Partial
5.0 Medium (CCN CVSS v2 Vector: AV:N/AC:L/Au:N/C:N/I:N/A:P)
3.7 Low (CCN Temporal CVSS v2 Vector: AV:N/AC:L/Au:N/C:N/I:N/A:P/E:U/RL:OF/RC:C)
Exploitability Metrics:Access Vector (AV): Network
Access Complexity (AC): Low
Athentication (Au): None
Impact Metrics:Confidentiality (C): None
Integrity (I): None
Availibility (A): Partial
Vulnerability Type:CWE-399
Vulnerability Consequences:Denial of Service
References:Source: MITRE
Type: CNA
CVE-2011-3259

Source: APPLE
Type: Vendor Advisory
APPLE-SA-2011-10-12-1

Source: APPLE
Type: Vendor Advisory
APPLE-SA-2011-10-12-2

Source: CCN
Type: SA46377
Apple iOS Multiple Vulnerabilities

Source: CCN
Type: SA46415
Apple TV Multiple Vulnerabilities

Source: CONFIRM
Type: Vendor Advisory
http://support.apple.com/kb/HT4999

Source: CONFIRM
Type: Vendor Advisory
http://support.apple.com/kb/HT5001

Source: CCN
Type: Apple Web site
Apple TV Software Update 4.4

Source: CCN
Type: OSVDB ID: 76328
Apple iOS Kernel Incomplete TCP Connection Memory Exhaustion Remote DoS

Source: BID
Type: UNKNOWN
50087

Source: CCN
Type: BID-50087
Apple Kernel TCP Exhaustion Denial of Service Vulnerability

Source: XF
Type: UNKNOWN
appleios-tcp-dos(70530)

Source: XF
Type: UNKNOWN
appleios-tcp-dos(70530)

Vulnerable Configuration:Configuration 1:
  • cpe:/o:apple:tvos:4.0:*:*:*:*:*:*:*
  • OR cpe:/o:apple:tvos:4.1:*:*:*:*:*:*:*
  • OR cpe:/o:apple:tvos:4.2:*:*:*:*:*:*:*
  • OR cpe:/o:apple:tvos:4.3:*:*:*:*:*:*:*

    • Configuration 2:
  • cpe:/o:apple:iphone_os:3.0:-:iphone:*:*:*:*:*
  • OR cpe:/o:apple:iphone_os:3.1:*:*:*:*:*:*:*
  • OR cpe:/o:apple:iphone_os:3.1:-:iphone:*:*:*:*:*
  • OR cpe:/o:apple:iphone_os:3.1:-:ipodtouch:*:*:*:*:*
  • OR cpe:/o:apple:iphone_os:3.1.2:-:iphone:*:*:*:*:*
  • OR cpe:/o:apple:iphone_os:3.1.3:-:iphone:*:*:*:*:*
  • OR cpe:/o:apple:iphone_os:3.2:-:iphone:*:*:*:*:*
  • OR cpe:/o:apple:iphone_os:3.2:-:ipodtouch:*:*:*:*:*
  • OR cpe:/o:apple:iphone_os:3.2.1:*:*:*:*:*:*:*
  • OR cpe:/o:apple:iphone_os:3.2.1:-:ipad:*:*:*:*:*
  • OR cpe:/o:apple:iphone_os:3.2.2:*:*:*:*:*:*:*
  • OR cpe:/o:apple:ios:4.0:*:*:*:*:*:*:*
  • OR cpe:/o:apple:ios:4.0:-:iphone:*:*:*:*:*
  • OR cpe:/o:apple:ios:4.0:-:ipodtouch:*:*:*:*:*
  • OR cpe:/o:apple:ios:4.0.1:*:*:*:*:*:*:*
  • OR cpe:/o:apple:ios:4.0.1:-:iphone:*:*:*:*:*
  • OR cpe:/o:apple:ios:4.0.1:-:ipodtouch:*:*:*:*:*
  • OR cpe:/o:apple:ios:4.0.2:*:*:*:*:*:*:*
  • OR cpe:/o:apple:ios:4.1:*:*:*:*:*:*:*
  • OR cpe:/o:apple:ios:4.2.1:*:*:*:*:*:*:*
  • OR cpe:/o:apple:ios:4.2.5:*:*:*:*:*:*:*
  • OR cpe:/o:apple:ios:4.2.8:*:*:*:*:*:*:*
  • OR cpe:/o:apple:ios:4.3.0:*:*:*:*:*:*:*
  • OR cpe:/o:apple:ios:4.3.1:*:*:*:*:*:*:*
  • OR cpe:/o:apple:ios:4.3.2:*:*:*:*:*:*:*
  • OR cpe:/o:apple:ios:4.3.3:*:*:*:*:*:*:*
  • OR cpe:/o:apple:ios:4.3.5:*:*:*:*:*:*:*
  • OR cpe:/o:apple:ios:4.3.5:-:ipad:*:*:*:*:*
  • OR cpe:/o:apple:ios:4.3.5:-:ipodtouch:*:*:*:*:*

    • Configuration CCN 1:
  • cpe:/o:apple:iphone_os:3.0:*:*:*:*:*:*:*
  • OR cpe:/o:apple:iphone_os:3.1:*:*:*:*:*:*:*
  • OR cpe:/o:apple:iphone_os:3.1.2:*:*:*:*:*:*:*
  • OR cpe:/o:apple:iphone_os:3.1.3:*:*:*:*:*:*:*
  • OR cpe:/o:apple:ios:4.0:*:*:*:*:*:*:*
  • OR cpe:/o:apple:ios:4.0.1:*:*:*:*:*:*:*
  • OR cpe:/o:apple:ios:4.1:*:*:*:*:*:*:*
  • OR cpe:/o:apple:tvos:4.0:*:*:*:*:*:*:*
  • OR cpe:/o:apple:iphone_os:3.0.1:*:*:*:*:*:*:*
  • OR cpe:/o:apple:iphone_os:3.2:*:*:*:*:*:*:*
  • OR cpe:/o:apple:iphone_os:3.2.1:*:*:*:*:*:*:*
  • OR cpe:/o:apple:iphone_os:3.2.2:*:*:*:*:*:*:*
  • OR cpe:/o:apple:ios:4.0.2:*:*:*:*:*:*:*
  • OR cpe:/o:apple:ios:4.2:*:*:*:*:*:*:*
  • OR cpe:/o:apple:tvos:4.1:*:*:*:*:*:*:*
  • OR 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:/o:apple:tvos:4.2:*:*:*:*:*:*:*
  • OR cpe:/o:apple:tvos:4.3:*:*:*:*:*:*:*

    • * Denotes that component is vulnerable
    BACK
    apple apple tv 4.0
    apple apple tv 4.1
    apple apple tv 4.2
    apple apple tv 4.3
    apple iphone os 3.0 -
    apple iphone os 3.1
    apple iphone os 3.1 -
    apple iphone os 3.1 -
    apple iphone os 3.1.2 -
    apple iphone os 3.1.3 -
    apple iphone os 3.2 -
    apple iphone os 3.2 -
    apple iphone os 3.2.1
    apple iphone os 3.2.1 -
    apple iphone os 3.2.2
    apple iphone os 4.0
    apple iphone os 4.0 -
    apple iphone os 4.0 -
    apple iphone os 4.0.1
    apple iphone os 4.0.1 -
    apple iphone os 4.0.1 -
    apple iphone os 4.0.2
    apple iphone os 4.1
    apple iphone os 4.2.1
    apple iphone os 4.2.5
    apple iphone os 4.2.8
    apple iphone os 4.3.0
    apple iphone os 4.3.1
    apple iphone os 4.3.2
    apple iphone os 4.3.3
    apple iphone os 4.3.5
    apple iphone os 4.3.5 -
    apple iphone os 4.3.5 -
    apple iphone os 3.0
    apple iphone os 3.1
    apple iphone os 3.1.2
    apple iphone os 3.1.3
    apple iphone os 4.0
    apple iphone os 4.0.1
    apple iphone os 4.1
    apple apple tv 4.0
    apple iphone os 3.0.1
    apple iphone os 3.2
    apple iphone os 3.2.1
    apple iphone os 3.2.2
    apple iphone os 4.0.2
    apple iphone os 4.2
    apple apple tv 4.1
    apple iphone os 4.3.2
    apple iphone os 4.3.0
    apple iphone os 4.3.1
    apple iphone os 4.3.3
    apple apple tv 4.2
    apple apple tv 4.3