Http4s: DigestAuth allows replay of captured requests
Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).
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| http4s | http4s | affected |
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Github GHSA |
GHSA-9xww-74xv-gjfp | Http4s: DigestAuth allows replay of captured requests |
No CVSS v4.0
No CVSS v3.0
No CVSS v2
This CVE is not in the KEV list.
Exploit prediction score: < 1% (0.395% probability within 30 days)
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| Metrics |
ssvc
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| First Time appeared |
Http4s
Http4s http4s |
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| Vendors & Products |
Http4s
Http4s http4s |
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| Description | Http4s is a Scala interface for HTTP services. Prior to 0.23.35 and 1.0.0-M47, DigestAuth replay protection records lastNc plus one instead of the highest nonce-count value it has accepted. When a legitimate client sends noncontiguous nc values because of parallel or retried requests, the stored counter remains below the accepted maximum, allowing a passive observer to replay a captured Authorization header multiple times. Successful replays execute authenticated requests, including state-changing operations, as the captured user. This issue is fixed in versions 0.23.35 and 1.0.0-M47. | |
| Title | Http4s: DigestAuth allows replay of captured requests | |
| Weaknesses | CWE-294 | |
| References |
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| Metrics |
cvssV3_1
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