Vulnerability Name:

CVE-2018-5548 (CCN-149941)

Assigned:2018-09-12
Published:2018-09-12
Updated:2018-12-03
Summary:On BIG-IP APM 11.6.0-11.6.3, an insecure AES ECB mode is used for orig_uri parameter in an undisclosed /vdesk link of APM virtual server configured with an access profile, allowing a malicious user to build a redirect URI value using different blocks of cipher texts.
CVSS v3 Severity:6.1 Medium (CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N)
5.3 Medium (Temporal CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N/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): Changed
Impact Metrics:Confidentiality (C): Low
Integrity (I): Low
Availibility (A): None
4.3 Medium (CCN CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N)
3.8 Low (CCN Temporal CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N/E:U/RL:O/RC:C)
Exploitability Metrics:Attack Vector (AV): Network
Attack Complexity (AC): Low
Privileges Required (PR): Low
User Interaction (UI): None
Scope:Scope (S): Unchanged
Impact Metrics:Confidentiality (C): Low
Integrity (I): None
Availibility (A): None
CVSS v2 Severity:5.8 Medium (CVSS v2 Vector: AV:N/AC:M/Au:N/C:P/I:P/A:N)
Exploitability Metrics:Access Vector (AV): Network
Access Complexity (AC): Medium
Authentication (Au): None
Impact Metrics:Confidentiality (C): Partial
Integrity (I): Partial
Availibility (A): None
4.0 Medium (CCN CVSS v2 Vector: AV:N/AC:L/Au:S/C:P/I:N/A:N)
Exploitability Metrics:Access Vector (AV): Network
Access Complexity (AC): Low
Athentication (Au): Single_Instance
Impact Metrics:Confidentiality (C): Partial
Integrity (I): None
Availibility (A): None
Vulnerability Type:CWE-601
Vulnerability Consequences:Gain Access
References:Source: MITRE
Type: CNA
CVE-2018-5548

Source: MISC
Type: Exploit, Technical Description, Third Party Advisory
http://sbudella.altervista.org/blog/20180911-cve-2018-5548.html

Source: BID
Type: Third Party Advisory, VDB Entry
105353

Source: CCN
Type: BID-105353
F5 BIG-IP APM CVE-2018-5548 Open Redirect Vulnerability

Source: XF
Type: UNKNOWN
f5-cve20185548-open-redirect(149941)

Source: CCN
Type: F5 Security Advisory K66171422
BIG-IP APM redirect vulnerability CVE-2018-5548

Source: CONFIRM
Type: Vendor Advisory
https://support.f5.com/csp/article/K66171422

Vulnerable Configuration:Configuration 1:
  • cpe:/a:f5:big-ip_access_policy_manager:*:*:*:*:*:*:*:* (Version >= 11.6.1 and <= 11.6.3)

    • Configuration CCN 1:
  • cpe:/a:f5:big-ip_access_policy_manager:11.6.0:*:*:*:*:*:*:*
  • OR cpe:/a:f5:big-ip_access_policy_manager:11.6.3:*:*:*:*:*:*:*

    • * Denotes that component is vulnerable
    BACK
    f5 big-ip access policy manager *
    f5 big-ip access policy manager 11.6.0
    f5 big-ip access policy manager 11.6.3