CVE-2017-12843 Path traversal in n/a
Authenticated attackers can write to arbitrary files on the server via crafted IMAP synchronization commands.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2017-12843?
CVE-2017-12843 is a medium-severity path traversal vulnerability in Fedoraproject Fedora, published on 22 Aug 2017. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
Cyrus IMAP before 3.0.3 allows remote authenticated users to write to arbitrary files via a crafted (1) SYNCAPPLY, (2) SYNCGET or (3) SYNCRESTORE command.
Weakness: CWE-20
Which versions are affected by CVE-2017-12843?
It affects 2 products.
Products include Cyrusimap Cyrus Imap, Fedoraproject Fedora.
How do I fix CVE-2017-12843?
No fix has been published for CVE-2017-12843 yet. Limit exposure of the affected software until one is available.
Upgrade, and resolve every user-supplied path against an allowed base folder before opening it. More about Path traversal.
Is CVE-2017-12843 being exploited?
There is no known exploitation of CVE-2017-12843 in the wild and no public exploit code.
Other vulnerabilities in Fedoraproject Fedora
Sources
Also known as GHSA-7gjp-mccf-jrm5.