CVE-2020-1899
CVSS V2 Medium 5
CVSS V3 High 7.5
Description
The unserialize() function supported a type code, "S", which was meant to be supported only for APC serialization. This type code allowed arbitrary memory addresses to be accessed as if they were static StringData objects. 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.
Overview
- CVE ID
- CVE-2020-1899
- Assigner
- cve-assign@fb.com
- Vulnerability Status
- Analyzed
- Published Version
- 2021-03-11T01:15:14
- Last Modified Date
- 2021-03-18T14:14:23
Weakness Enumerations
CPE Configuration (Product)
CPE | Vulnerable | Operator | Version Start | Version End |
---|---|---|---|---|
cpe:2.3:a:facebook:hhvm:*:*:*:*:*:*:*:* | 1 | OR | 4.32.3 | |
cpe:2.3:a:facebook:hhvm:*:*:*:*:*:*:*:* | 1 | OR | 4.33.0 | 4.56.1 |
cpe:2.3:a:facebook:hhvm:4.57.0:*:*:*:*:*:*:* | 1 | OR | ||
cpe:2.3:a:facebook:hhvm:4.58.0:*:*:*:*:*:*:* | 1 | OR | ||
cpe:2.3:a:facebook:hhvm:4.58.1:*:*:*:*:*:*:* | 1 | OR | ||
cpe:2.3:a:facebook:hhvm:4.59.0:*:*:*:*:*:*:* | 1 | OR | ||
cpe:2.3:a:facebook:hhvm:4.60.0:*:*:*:*:*:*:* | 1 | OR | ||
cpe:2.3:a:facebook:hhvm:4.61.0:*:*:*:*:*:*:* | 1 | OR | ||
cpe:2.3:a:facebook:hhvm:4.62.0:*:*:*:*:*:*:* | 1 | OR |
CVSS Version 2
- Version
- 2.0
- Vector String
- AV:N/AC:L/Au:N/C:P/I:N/A:N
- Access Vector
- NETWORK
- Access Compatibility
- LOW
- Authentication
- NONE
- Confidentiality Impact
- PARTIAL
- Integrity Impact
- NONE
- Availability Impact
- NONE
- Base Score
- 5
- Severity
- MEDIUM
- Exploitability Score
- 10
- Impact Score
- 2.9
CVSS Version 3
- Version
- 3.1
- Vector String
- CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
- Attack Vector
- NETWORK
- Attack Compatibility
- LOW
- Privileges Required
- NONE
- User Interaction
- NONE
- Scope
- UNCHANGED
- Confidentiality Impact
- HIGH
- Availability Impact
- NONE
- Base Score
- 7.5
- Base Severity
- HIGH
- Exploitability Score
- 3.9
- Impact Score
- 3.6
References
Reference URL | Reference Tags |
---|---|
https://github.com/facebook/hhvm/commit/1107228a5128d3ca1c4add8ac1635d933cbbe2e9 | Patch Third Party Advisory |
https://hhvm.com/blog/2020/06/30/security-update.html | Vendor Advisory |
Sources
Source Name | Source URL |
---|---|
NIST | https://nvd.nist.gov/vuln/detail/CVE-2020-1899 |
MITRE | https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-1899 |
History
Created | Old Value | New Value | Data Type | Notes |
---|---|---|---|---|
2022-05-10 07:19:29 | Added to TrackCVE | |||
2022-12-05 23:31:39 | 2021-03-11T01:15Z | 2021-03-11T01:15:14 | CVE Published Date | updated |
2022-12-05 23:31:39 | 2021-03-18T14:14:23 | CVE Modified Date | updated | |
2022-12-05 23:31:39 | Analyzed | Vulnerability Status | updated |