CVE-2021-44143
CVSS V2 High 7.5
CVSS V3 Critical 9.8
Description
A flaw was found in mbsync in isync 1.4.0 through 1.4.3. Due to an unchecked condition, a malicious or compromised IMAP server could use a crafted mail message that lacks headers (i.e., one that starts with an empty line) to provoke a heap overflow, which could conceivably be exploited for remote code execution.
Overview
- CVE ID
- CVE-2021-44143
- Assigner
- cve@mitre.org
- Vulnerability Status
- Analyzed
- Published Version
- 2021-11-22T20:15:18
- Last Modified Date
- 2022-10-25T20:50:25
Weakness Enumerations
CPE Configuration (Product)
| CPE | Vulnerable | Operator | Version Start | Version End |
|---|---|---|---|---|
| cpe:2.3:a:isync_project:isync:*:*:*:*:*:*:*:* | 1 | OR | 1.4.0 | 1.4.3 |
| cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:* | 1 | OR | ||
| cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:* | 1 | OR | ||
| cpe:2.3:o:debian:debian_linux:11.0:*:*:*:*:*:*:* | 1 | OR | ||
| cpe:2.3:o:fedoraproject:fedora:34:*:*:*:*:*:*:* | 1 | OR | ||
| cpe:2.3:o:fedoraproject:fedora:35:*:*:*:*:*:*:* | 1 | OR |
CVSS Version 2
- Version
- 2.0
- Vector String
- AV:N/AC:L/Au:N/C:P/I:P/A:P
- Access Vector
- NETWORK
- Access Compatibility
- LOW
- Authentication
- NONE
- Confidentiality Impact
- PARTIAL
- Integrity Impact
- PARTIAL
- Availability Impact
- PARTIAL
- Base Score
- 7.5
- Severity
- HIGH
- Exploitability Score
- 10
- Impact Score
- 6.4
CVSS Version 3
- Version
- 3.1
- Vector String
- CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- Attack Vector
- NETWORK
- Attack Compatibility
- LOW
- Privileges Required
- NONE
- User Interaction
- NONE
- Scope
- UNCHANGED
- Confidentiality Impact
- HIGH
- Availability Impact
- HIGH
- Base Score
- 9.8
- Base Severity
- CRITICAL
- Exploitability Score
- 3.9
- Impact Score
- 5.9
References
| Reference URL | Reference Tags |
|---|---|
| http://www.openwall.com/lists/oss-security/2021/12/03/2 | Mailing List |
| https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=999804 | Third Party Advisory |
| https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/CYZ2GNB4ZO2T27D2XNUWMCS3THZYSJQU/ | Mailing List Third Party Advisory |
| https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/LCBSY7OZ57XNC6ZYXF6WU5KBSWITZVDX/ | Mailing List Third Party Advisory |
| https://security.gentoo.org/glsa/202208-15 | Third Party Advisory |
| https://sourceforge.net/p/isync/isync/commit_browser | Patch Third Party Advisory |
| https://sourceforge.net/p/isync/isync/ref/master/tags/ | Third Party Advisory |
Sources
| Source Name | Source URL |
|---|---|
| NIST | https://nvd.nist.gov/vuln/detail/CVE-2021-44143 |
| MITRE | https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-44143 |
History
| Created | Old Value | New Value | Data Type | Notes |
|---|---|---|---|---|
| 2022-05-10 06:41:15 | Added to TrackCVE | |||
| 2022-12-05 15:01:24 | 2021-11-22T20:15Z | 2021-11-22T20:15:18 | CVE Published Date | updated |
| 2022-12-05 15:01:24 | 2022-10-25T20:50:25 | CVE Modified Date | updated | |
| 2022-12-05 15:01:24 | Analyzed | Vulnerability Status | updated | |
| 2022-12-05 15:01:28 | References | updated |