CVE-2019-3556 (GCVE-0-2019-3556)
Vulnerability from cvelistv5 – Published: 2021-10-26 20:05 – Updated: 2024-08-04 19:12
VLAI?
Summary
HHVM supports the use of an "admin" server which accepts administrative requests over HTTP. One of those request handlers, dump-pcre-cache, can be used to output cached regular expressions from the current execution context into a file. The handler takes a parameter which specifies where on the filesystem to write this data. The parameter is not validated, allowing a malicious user to overwrite arbitrary files where the user running HHVM has write access. This issue affects HHVM versions prior to 4.56.2, all versions between 4.57.0 and 4.78.0, as well as 4.79.0, 4.80.0, 4.81.0, 4.82.0, and 4.83.0.
Severity ?
No CVSS data available.
CWE
- CWE-22 - Improper Limitation of a Pathname to a Restricted Directory (CWE-22)
Assigner
References
| URL | Tags | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
|
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Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| HHVM |
Unaffected:
4.83.1 , < unspecified
(custom)
Affected: 4.83.0 , < unspecified (custom) Unaffected: 4.82.1 , < unspecified (custom) Affected: 4.82.0 , < unspecified (custom) Unaffected: 4.81.1 , < unspecified (custom) Affected: 4.81.0 , < unspecified (custom) Unaffected: 4.80.1 , < unspecified (custom) Affected: 4.80.0 , < unspecified (custom) Unaffected: 4.79.1 , < unspecified (custom) Affected: 4.79.0 , < unspecified (custom) Unaffected: 4.78.1 , < unspecified (custom) Affected: 4.57.0 , < unspecified (custom) Unaffected: 4.56.2 , < unspecified (custom) Affected: unspecified , < 4.56.2 (custom) |
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}
}
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Sightings
| Author | Source | Type | Date |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or observed by the user.
- Confirmed: The vulnerability has been validated from an analyst's perspective.
- Published Proof of Concept: A public proof of concept is available for this vulnerability.
- Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
- Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
- Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
- Not confirmed: The user expressed doubt about the validity of the vulnerability.
- Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.
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