A flaw was found in Keycloak. This issue may allow an attacker to steal authorization codes or tokens from clients using a wildcard in the J…
cve CVE-2023-6927 1 source, 1 claim · Watch
NVD writes:
A flaw was found in Keycloak. This issue may allow an attacker to steal authorization codes or tokens from clients using a wildcard in the JARM response mode "form_post.jwt" which could be used to bypass the security patch implemented to address CVE-2023-6134. the claim
A flaw was found in Keycloak. This issue may allow an attacker to steal authorization codes or tokens from clients using a wildcard in the JARM response mode "form_post.jwt" which could be used to bypass the security patch implemented to address CVE-2023-6134. the claim
- Severity
- MEDIUM NVD
- CVSS
- 6.1 NVD
- Vendor
- Red Hat NVD
- Product
- Red Hat build of Keycloak 22 NVD
- CWE
- CWE-601 NVD
How far exploitation has got
- No public code known
- Proof of concept
- Proof of concept, verified
- A Metasploit module
- Exploited in the wild
- Used in ransomware campaigns
Timeline
| 2023-12-18 | first spoke of it: A flaw was found in Keycloak. This issue may allow an attacker to steal authorization codes or tokens from clients using a wildcard in the JARM response mode "form_post.jwt" which could be used to bypass the security patch implemented to address CVE-2023-6134. | NVD |
A flaw was found in Keycloak. This issue may allow an attacker to steal authorization codes or tokens from clients using a wildcard in the JARM response mode "form_post.jwt" which could be used to bypass the security patch implemented to address CVE-2023-6134.
What it is to other things
| affects | redhat/keycloak NVD |
| affects | redhat/single_sign-on NVD |
| made_by | redhat NVD |
In words only, so not counted until a person confirms one:
| made_by | red_hatNVD says “Red Hat” |
| affects | red_hat/red_hat_build_of_keycloak_22NVD says “Red Hat · Red Hat build of Keycloak 22” |
Every value, with what each source said and its receipt
| Property | Source | Said | Means here | ||||||
|---|---|---|---|---|---|---|---|---|---|
| CVSS cvss | NVD | 6.1receipt
What the source handed over{
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| CVSS vector cvss_vector | NVD | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:Nreceipt
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} | — | ||||||
| CWE cwe | NVD | CWE-601receipt
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} | — | ||||||
| Product product | NVD | Red Hat build of Keycloak 22receipt
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| Severity severity | NVD | MEDIUM From 4.0 to 6.9. receipt
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| Status status | NVD | Modifiedreceipt
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| Vendor vendor | NVD | Red Hatreceipt
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}
} | — |
Every claim, by kind
vulnerability
| A flaw was found in Keycloak. This issue may allow an attacker to steal authorization codes or tokens from clients using a wildcard in the JARM response mode "form_post.jwt" which could be used to bypass the security patch implemented to address CVE-2023-6134. zetlyn/cve-nvd · 2023-12-18 | cvss 6.1 cvss_vector CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N cwe CWE-601 product Red Hat build of Keycloak 22 severity MEDIUM status Modified vendor Red Hat | source |