Vulnerability Name:

CVE-2012-3924 (CCN-78672)

Assigned:2012-09-16
Published:2012-09-16
Updated:2017-08-29
Summary:The SSLVPN implementation in Cisco IOS 15.1 and 15.2, when DTLS is enabled, does not properly handle certain outbound ACL configurations, which allows remote authenticated users to cause a denial of service (device crash) via a session involving a PPP over ATM (PPPoA) interface, aka Bug ID CSCty97961.
CVSS v3 Severity:2.6 Low (CCN CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:U/C:N/I:N/A:L)
Exploitability Metrics:Attack Vector (AV): Network
Attack Complexity (AC): High
Privileges Required (PR): Low
User Interaction (UI): Required
Scope:Scope (S): Unchanged
Impact Metrics:Confidentiality (C): None
Integrity (I): None
Availibility (A): Low
CVSS v2 Severity:3.5 Low (CVSS v2 Vector: AV:N/AC:M/Au:S/C:N/I:N/A:P)
2.6 Low (Temporal CVSS v2 Vector: AV:N/AC:M/Au:S/C:N/I:N/A:P/E:U/RL:OF/RC:C)
Exploitability Metrics:Access Vector (AV): Network
Access Complexity (AC): Medium
Authentication (Au): Single_Instance
Impact Metrics:Confidentiality (C): None
Integrity (I): None
Availibility (A): Partial
3.5 Low (CCN CVSS v2 Vector: AV:N/AC:M/Au:S/C:N/I:N/A:P)
2.6 Low (CCN Temporal CVSS v2 Vector: AV:N/AC:M/Au:S/C:N/I:N/A:P/E:U/RL:OF/RC:C)
Exploitability Metrics:Access Vector (AV): Network
Access Complexity (AC): Medium
Athentication (Au): Single_Instance
Impact Metrics:Confidentiality (C): None
Integrity (I): None
Availibility (A): Partial
Vulnerability Type:CWE-Other
Vulnerability Consequences:Denial of Service
References:Source: MITRE
Type: CNA
CVE-2012-3924

Source: CCN
Type: SA50676
Cisco IOS SSLVPN Denial of Service Vulnerability

Source: CCN
Type: Cross-Platform Release Notes for Cisco IOS Release 15.2M&T
Release 15.2(1)T Caveats

Source: CONFIRM
Type: Vendor Advisory
http://www.cisco.com/en/US/docs/ios/15_2m_and_t/release/notes/152-1TCAVS.html

Source: CCN
Type: BID-55604
Cisco IOS SSLVPN Multiple Denial of Service Vulnerabilities

Source: XF
Type: UNKNOWN
ciscoios-sslvpn-dtls-enabled-dos(78672)

Source: XF
Type: UNKNOWN
ciscoios-sslvpn-dtls-enabled-dos(78672)

Vulnerable Configuration:Configuration 1:
  • cpe:/o:cisco:ios:15.1:*:*:*:*:*:*:*
  • OR cpe:/o:cisco:ios:15.2:*:*:*:*:*:*:*

  • Configuration CCN 1:
  • cpe:/o:cisco:ios:15.1:*:*:*:*:*:*:*
  • OR cpe:/o:cisco:ios:15.2:*:*:*:*:*:*:*

  • * Denotes that component is vulnerable
    BACK
    cisco ios 15.1
    cisco ios 15.2
    cisco ios 15.1
    cisco ios 15.2