CVE-2017-2646 — Infinite Loop in Redhat Keycloak

CWE-835 — Infinite Loop7 documents6 sources
Severity
7.5HIGHNVD
EPSS
0.5%
top 33.88%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
2
Redhat KeycloakRED HAT Keycloak
Timeline
PublishedJul 27
Latest updateOct 18

Description

It was found that when Keycloak before 2.5.5 receives a Logout request with a Extensions in the middle of the request, the SAMLSloRequestParser.parse() method ends in a infinite loop. An attacker could use this flaw to conduct denial of service attacks.

CVSS vector

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:HExploitability: 3.9 | Impact: 3.6

Affected Packages2 packages

▶NVDredhat/keycloak< 2.5.5
▶CVEListV5red_hat/keycloak2.5.5

🔴Vulnerability Details

3
OSV
Keycloak vulnerable to infinite loop based Denial of Service↗2018-10-18
▶
GHSA
Keycloak vulnerable to infinite loop based Denial of Service↗2018-10-18
▶
CVEList
CVE-2017-2646: It was found that when Keycloak before 2↗2018-07-27
▶

📋Vendor Advisories

1
Red Hat
keycloak: DoS via SAML request↗2017-03-10
▶

💬Community

2
Bugzilla
CVE-2017-7599 libtiff: Unsigned short out of range in tif_dirwrite.c↗2017-04-11
▶
Bugzilla
CVE-2017-2646 keycloak: DoS via SAML request↗2017-03-10
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CVE-2017-2646 — Infinite Loop in Redhat Keycloak | cvebase