CVE-2020-1898 (GCVE-0-2020-1898)
Vulnerability from cvelistv5 – Published: 2021-03-11 00:55 – Updated: 2024-08-04 06:53
VLAI?
Summary
The fb_unserialize function did not impose a depth limit for nested deserialization. That meant a maliciously constructed string could cause deserialization to recurse, leading to stack exhaustion. This issue affected HHVM prior to v4.32.3, between versions 4.33.0 and 4.56.0, 4.57.0, 4.58.0, 4.58.1, 4.59.0, 4.60.0, 4.61.0, 4.62.0.
Severity ?
No CVSS data available.
CWE
- CWE-674 - Uncontrolled Recursion (CWE-674)
Assigner
References
| URL | Tags | |||||||
|---|---|---|---|---|---|---|---|---|
|
||||||||
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| HHVM |
Unaffected:
4.62.1 , < unspecified
(custom)
Affected: 4.62.0 Unaffected: 4.61.1 , < unspecified (custom) Affected: 4.61.0 Unaffected: 4.60.1 , < unspecified (custom) Affected: 4.60.0 Unaffected: 4.59.1 , < unspecified (custom) Affected: 4.59.0 Unaffected: 4.58.2 , < unspecified (custom) Affected: 4.58.0 , < unspecified (custom) Unaffected: 4.57.1 , < unspecified (custom) Affected: 4.57.0 Unaffected: 4.56.1 , < unspecified (custom) Affected: 4.33.0 , < unspecified (custom) Unaffected: 4.32.3 , < unspecified (custom) Affected: unspecified , < 4.32.3 (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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