This security bulletin contains one medium risk vulnerability.
Exploit availability: NoDescription
The vulnerability allows a remote attacker to perform directory traversal attacks.
The vulnerability exists due to improper validation of mailbox names returned by IMAP LIST/LSUB in the mbsync command. A remote attacker can send a specially crafted HTTP request and read arbitrary files on the system.Mitigation
Install update from vendor's website.Vulnerable software versions
Isync: mailbox synchronizer: 1.3.4, 1.4.0CPE2.3
Can this vulnerability be exploited remotely?
Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.