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7.2
CVSSv2

CVE-2021-3578

Published: 16/02/2022 Updated: 07/11/2023
CVSS v2 Base Score: 7.2 | Impact Score: 10 | Exploitability Score: 3.9
CVSS v3 Base Score: 7.8 | Impact Score: 5.9 | Exploitability Score: 1.8
VMScore: 641
Vector: AV:L/AC:L/Au:N/C:C/I:C/A:C
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Vulnerability Summary

A flaw was found in mbsync before v1.3.6 and v1.4.2, where an unchecked pointer cast allows a malicious or compromised server to write an arbitrary integer value past the end of a heap-allocated structure by issuing an unexpected APPENDUID response. This could be plausibly exploited for remote code execution on the client.

Vulnerability Trend

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isync project isync 1.4.1

isync project isync 1.4.0

isync project isync

fedoraproject fedora 33

fedoraproject fedora 34

debian debian linux 9.0

Vendor Advisories

Debian CVElist Bug Report Logs: isync: CVE-2021-3578
Debian Bug report logs - #989564 isync: CVE-2021-3578 Package: src:isync; Maintainer for src:isync is Nicolas Boullis <nboullis@debianorg>; Reported by: Salvatore Bonaccorso <carnil@debianorg> Date: Mon, 7 Jun 2021 16:09:02 UTC Severity: grave Tags: security, upstream Found in versions isync/130-21, isync/13 ...
Arch Linux Issues:
A security issue was found in mbsync before version 142, where an unchecked pointer cast allows a malicious or compromised server to write an arbitrary integer value past the end of a heap-allocated structure by issuing an unexpected APPENDUID response This could be plausibly exploited for remote code execution on the client ...

References

CWE-704https://github.blog/2021-06-10-privilege-escalation-polkit-root-on-linux-with-bug/https://bugzilla.redhat.com/show_bug.cgi?id=1961710http://www.openwall.com/lists/oss-security/2021/06/07/1https://bugzilla.redhat.com/show_bug.cgi?id=1967397https://www.openwall.com/lists/oss-security/2021/06/07/1https://lists.debian.org/debian-lts-announce/2022/07/msg00001.htmlhttps://security.gentoo.org/glsa/202208-15https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/U75UFEWRAZYKVL5NHMPBUOLWN3WXTOEI/https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/RPIDLIJKNRJHUVBCL7QGAPAAVPIHQGXK/https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=989564https://nvd.nist.govhttps://security.archlinux.org/CVE-2021-3578
CVSSv2
CVSSv2
CVSSv3
VMScore
Recommendations:
CVE-2024-27322CVE-2006-4304wirelessCVE-2023-23022local file inclusionCVE-2024-27058CVE-2024-33820open redirectCVE-2024-27079
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