critical9.8
CVE-2021-44143
A flaw was found in mbsync in isync 1.4.0 through 1.4.3.
Impact
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.
Affected products
| Vendor | Product | Affected versions |
|---|---|---|
| Isync Project | Isync | from 1.4.0 through 1.4.3 |
| Debian | Debian Linux | Versions 9.0, 10.0, 11.0 |
| Fedoraproject | Fedora | Versions 34, 35 |
Weakness classification
References
- NVD record
- CVE.org record
- http://www.openwall.com/lists/oss-security/2021/12/03/2
- https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=999804
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/CYZ2GNB4ZO2T27D2XNUWMCS3THZYSJQU/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/LCBSY7OZ57XNC6ZYXF6WU5KBSWITZVDX/
- https://security.gentoo.org/glsa/202208-15
- https://sourceforge.net/p/isync/isync/commit_browser
- https://sourceforge.net/p/isync/isync/ref/master/tags/
- http://www.openwall.com/lists/oss-security/2021/12/03/2
- https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=999804
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/CYZ2GNB4ZO2T27D2XNUWMCS3THZYSJQU/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/LCBSY7OZ57XNC6ZYXF6WU5KBSWITZVDX/
- https://security.gentoo.org/glsa/202208-15
- https://sourceforge.net/p/isync/isync/commit_browser
- https://sourceforge.net/p/isync/isync/ref/master/tags/