CVE-2020-1918 (GCVE-0-2020-1918)
Vulnerability from cvelistv5
Published
2021-03-10 15:50
Modified
2024-08-04 06:53
Severity ?
VLAI Severity ?
EPSS score ?
CWE
- CWE-127 - Buffer Under-read ()
Summary
In-memory file operations (ie: using fopen on a data URI) did not properly restrict negative seeking, allowing for the reading of memory prior to the in-memory buffer. This issue affects HHVM versions prior to 4.56.3, all versions between 4.57.0 and 4.80.1, all versions between 4.81.0 and 4.93.1, and versions 4.94.0, 4.95.0, 4.96.0, 4.97.0, 4.98.0.
References
| ► | URL | Tags | ||||||
|---|---|---|---|---|---|---|---|---|
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Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| HHVM |
Patch: 4.98.1 < unspecified Version: 4.98.0 Patch: 4.97.1 < unspecified Version: 4.97.0 Patch: 4.96.1 < unspecified Version: 4.96.0 Patch: 4.95.1 < unspecified Version: 4.95.0 Patch: 4.94.1 < unspecified Version: 4.94.0 Patch: 4.93.2 < unspecified Version: 4.81.0 < unspecified Patch: 4.80.2 < unspecified Version: 4.57.0 < unspecified Patch: 4.56.3 < unspecified Version: unspecified < 4.56.3 |
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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.
- 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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