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CVE-2021-20247
Published: Feb 23, 2021
Modified: Aug 3, 2024
PUBLISHED
Description
A flaw was found in mbsync before v1.3.5 and v1.4.1. Validations of the mailbox names returned by IMAP LIST/LSUB do not occur allowing a malicious or compromised server to use specially crafted mailbox names containing '..' path components to access data outside the designated mailbox on the opposite end of the synchronization channel. The highest threat from this vulnerability is to data confidentiality and integrity.
| Vendor | Product | Versions |
|---|---|---|
n/a | isync/mbsync | affected before 1.35affected before 1.4.1 |
Weaknesses (CWE)
References
https://bugzilla.redhat.com/show_bug.cgi?id=1928963
x_refsource_MISC
https://www.openwall.com/lists/oss-security/2021/02/22/1
x_refsource_MISC
FEDORA-2021-954ebabcf7
vendor-advisory
x_refsource_FEDORA
FEDORA-2021-ef8c2acfce
vendor-advisory
x_refsource_FEDORA
[debian-lts-announce] 20220701 [SECURITY] [DLA 3066-1] isync security update
mailing-list
x_refsource_MLIST
GLSA-202208-15
vendor-advisory
x_refsource_GENTOO
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