CVE-2019-3556 (GCVE-0-2019-3556)
Vulnerability from cvelistv5
Published
2021-10-26 20:05
Modified
2024-08-04 19:12
Severity ?
VLAI Severity ?
EPSS score ?
CWE
- CWE-22 - Improper Limitation of a Pathname to a Restricted Directory ()
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.
References
| URL | Tags | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
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Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| HHVM |
Patch: 4.83.1 < unspecified Version: 4.83.0 < unspecified Patch: 4.82.1 < unspecified Version: 4.82.0 < unspecified Patch: 4.81.1 < unspecified Version: 4.81.0 < unspecified Patch: 4.80.1 < unspecified Version: 4.80.0 < unspecified Patch: 4.79.1 < unspecified Version: 4.79.0 < unspecified Patch: 4.78.1 < unspecified Version: 4.57.0 < unspecified Patch: 4.56.2 < unspecified Version: unspecified < 4.56.2 |
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Sightings
| Author | Source | Type | Date |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
- Confirmed: The vulnerability is confirmed from an analyst perspective.
- Published Proof of Concept: A public proof of concept is available for this vulnerability.
- Exploited: This vulnerability was exploited and seen by the user reporting the sighting.
- Patched: This vulnerability was successfully patched by the user reporting the sighting.
- Not exploited: This vulnerability was not exploited or seen by the user reporting the sighting.
- Not confirmed: The user expresses doubt about the veracity of the vulnerability.
- Not patched: This vulnerability was not successfully patched by the user reporting the sighting.
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