Buffer overflow in IBM Sterling External Authentication Server
CVE-2022-22333
IBM Sterling Secure Proxy 6.0.3.0, 6.0.2.0, and 3.4.3.2 and IBM Sterling External Authentication Server are vulnerable a buffer overflow, due to the Jetty based GUI in the Secure Zone not properly validating the sizes of the form content and/or HTTP headers submitted. A local attacker positioned inside the Secure Zone could submit a specially crafted HTTP request to disrupt service. IBM X-Force ID: 219133.
Vulnerability class: Buffer Overflow
Published · last modified .
CVSS v3 metric
CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.
EPSS exploit prediction
EPSS: 0.006 (45.9th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 46th percentile — 45.9% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.006 · newest: 0.006 · change: 0.000
Affected products
- IBM Sterling External Authentication Server — versions 3.4.3.2, 6.0.2.0, 6.0.3.0
- IBM Sterling Secure Proxy — versions 3.4.3.2, 6.0.3.0, 6.0.2.0
- IBM Sterling Secure Proxy — versions 3.4.3.2, 6.0.2, 6.0.3.0
Weakness classification (CWE)
References
- www.ibm.com/support/pages/node/6558796 (Patch, Vendor Advisory)
- exchange.xforce.ibmcloud.com/vulnerabilities/219133 (VDB Entry, vdb-entry, Vendor Advisory)
Frequently asked questions
- What is CVE-2022-22333?
- CVE-2022-22333 is a medium-severity vulnerability in IBM Sterling External Authentication Server, classified under Buffer Copy without Checking Size of Input (Classic Buffer Overflow). CVSS score: 6.5/10. Published 2022-02-23.
- How severe is CVE-2022-22333?
- Medium severity. CVSS v3 base score is 6.5 out of 10.