CVE-2020-36323
CVSS V2 Medium 6.4
CVSS V3 High 8.2
Description
In the standard library in Rust before 1.52.0, there is an optimization for joining strings that can cause uninitialized bytes to be exposed (or the program to crash) if the borrowed string changes after its length is checked.
Overview
- CVE ID
- CVE-2020-36323
- Assigner
- cve@mitre.org
- Vulnerability Status
- Analyzed
- Published Version
- 2021-04-14T07:15:12
- Last Modified Date
- 2021-04-27T14:37:26
Weakness Enumerations
CPE Configuration (Product)
| CPE | Vulnerable | Operator | Version Start | Version End |
|---|---|---|---|---|
| cpe:2.3:a:rust-lang:rust:*:*:*:*:*:*:*:* | 1 | OR | 1.52.0 | |
| cpe:2.3:o:fedoraproject:fedora:32:*:*:*:*:*:*:* | 1 | OR | ||
| cpe:2.3:o:fedoraproject:fedora:33:*:*:*:*:*:*:* | 1 | OR | ||
| cpe:2.3:o:fedoraproject:fedora:34:*:*:*:*:*:*:* | 1 | OR |
CVSS Version 2
- Version
- 2.0
- Vector String
- AV:N/AC:L/Au:N/C:P/I:N/A:P
- Access Vector
- NETWORK
- Access Compatibility
- LOW
- Authentication
- NONE
- Confidentiality Impact
- PARTIAL
- Integrity Impact
- NONE
- Availability Impact
- PARTIAL
- Base Score
- 6.4
- Severity
- MEDIUM
- Exploitability Score
- 10
- Impact Score
- 4.9
CVSS Version 3
- Version
- 3.1
- Vector String
- CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:H
- Attack Vector
- NETWORK
- Attack Compatibility
- LOW
- Privileges Required
- NONE
- User Interaction
- NONE
- Scope
- UNCHANGED
- Confidentiality Impact
- LOW
- Availability Impact
- HIGH
- Base Score
- 8.2
- Base Severity
- HIGH
- Exploitability Score
- 3.9
- Impact Score
- 4.2
References
| Reference URL | Reference Tags |
|---|---|
| https://github.com/rust-lang/rust/issues/80335 | Patch Third Party Advisory |
| https://github.com/rust-lang/rust/pull/81728 | Patch Third Party Advisory |
| https://github.com/rust-lang/rust/pull/81728#issuecomment-821549174 | Patch Third Party Advisory |
| https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/CZ337CM4GFJLRDFVQCGC7J25V65JXOG5/ | Mailing List Third Party Advisory |
| https://github.com/rust-lang/rust/pull/81728#issuecomment-824904190 | Patch Third Party Advisory |
| https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/TFUO3URYCO73D2Q4WYJBWAMJWGGVXQO4/ | Mailing List Third Party Advisory |
| https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/VZG65GUW6Z2CYOQHF7T3TB5CZKIX6ZJE/ | Mailing List Third Party Advisory |
Sources
| Source Name | Source URL |
|---|---|
| NIST | https://nvd.nist.gov/vuln/detail/CVE-2020-36323 |
| MITRE | https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-36323 |
History
| Created | Old Value | New Value | Data Type | Notes |
|---|---|---|---|---|
| 2022-05-10 07:14:05 | Added to TrackCVE | |||
| 2022-12-06 01:53:39 | 2021-04-14T07:15Z | 2021-04-14T07:15:12 | CVE Published Date | updated |
| 2022-12-06 01:53:39 | 2021-04-27T14:37:26 | CVE Modified Date | updated | |
| 2022-12-06 01:53:39 | Analyzed | Vulnerability Status | updated |