CVE-2010-4755 Denial of service in n/a
Authenticated remote attackers can cause denial of service in OpenSSH SFTP via crafted glob expressions, requiring an upgrade to mitigate.
- 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-2010-4755?
CVE-2010-4755 is a medium-severity denial of service vulnerability in Freebsd Freebsd, published on 2 Mar 2011. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
The (1) remote_glob function in sftp-glob.c and the (2) process_put function in sftp.c in OpenSSH 5.8 and earlier, as used in FreeBSD 7.3 and 8.1, NetBSD 5.0.2, OpenBSD 4.7, and other products, allow remote authenticated users to cause a denial of service (CPU and memory consumption) via crafted glob expressions that do not match any pathnames, as demonstrated by glob expressions in SSH_FXP_STAT requests to an sftp daemon, a different vulnerability than CVE-2010-2632.
Weakness: CWE-399
Which versions are affected by CVE-2010-4755?
It affects 4 products.
Products include Freebsd Freebsd, Netbsd Netbsd, Openbsd Openbsd, OpenSSH.
How do I fix CVE-2010-4755?
No fix has been published for CVE-2010-4755 yet. Limit exposure of the affected software until one is available.
Upgrade, then put limits on request size, rate and nesting depth so one client cannot exhaust the service. More about Denial of service.
Is CVE-2010-4755 being exploited?
There is no known exploitation of CVE-2010-4755 in the wild and no public exploit code.
Other vulnerabilities in Freebsd Freebsd
Sources
Also known as GHSA-r3f6-ghj9-9mqf.