CVE-2024-38475
- EPSS 93.75%
- Veröffentlicht 01.07.2024 19:15:04
- Zuletzt bearbeitet 02.05.2025 15:43:59
- Quelle security@apache.org
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Improper escaping of output in mod_rewrite in Apache HTTP Server 2.4.59 and earlier allows an attacker to map URLs to filesystem locations that are permitted to be served by the server but are not intentionally/directly reachable by any URL, resulting in code execution or source code disclosure. Substitutions in server context that use a backreferences or variables as the first segment of the substitution are affected. Some unsafe RewiteRules will be broken by this change and the rewrite flag "UnsafePrefixStat" can be used to opt back in once ensuring the substitution is appropriately constrained.
01.05.2025: CISA Known Exploited Vulnerabilities (KEV) Catalog
Apache HTTP Server Improper Escaping of Output Vulnerability
SchwachstelleApache HTTP Server contains an improper escaping of output vulnerability in mod_rewrite that allows an attacker to map URLs to filesystem locations that are permitted to be served by the server but are not intentionally/directly reachable by any URL, resulting in code execution or source code disclosure.
BeschreibungApply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.
Erforderliche MaßnahmenTyp | Quelle | Score | Percentile |
---|---|---|---|
EPSS | FIRST.org | 93.75% | 0.999 |
Quelle | Base Score | Exploit Score | Impact Score | Vector String |
---|---|---|---|---|
134c704f-9b21-4f2e-91b3-4a467353bcc0 | 9.1 | 3.9 | 5.2 |
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N
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The product prepares a structured message for communication with another component, but encoding or escaping of the data is either missing or done incorrectly. As a result, the intended structure of the message is not preserved.