Medium severity · published Sep 13, 2018
CVE-2018-5548
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,…
6.1
CVSS
1.4%
EPSS
No
On KEV
Description
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 vector
CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
Required
Confidentiality
Low
Integrity
Low
Availability
None
Scope
Changed
Exploitation
Is it being used?
Exploit prediction (EPSS)1.4% · higher than 73% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
BA
Big-ip Access Policy Manager · F5
11.6.1 through 11.6.3 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2018-5548
CVE.org
https://www.cve.org/CVERecord?id=CVE-2018-5548
Exploit
http://sbudella.altervista.org/blog/20180911-cve-2018-5548.html
Third Party Advisory
http://www.securityfocus.com/bid/105353
Vendor Advisory
https://support.f5.com/csp/article/K66171422
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