CVE-2009-0873 Auth bypass in n/a

Medium 6.8 Published Updated

Remote attackers can bypass access restrictions to read or modify files on Solaris systems using specific NFSv3 security mode combinations.

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-2009-0873?

CVE-2009-0873 is a medium-severity authentication bypass vulnerability in Sun Opensolaris, published on 11 Mar 2009. Any signed-in user can exploit it over the network, with no action from the victim.

Official description

The NFS daemon (aka nfsd) in Sun Solaris 10 and OpenSolaris before snv_106, when NFSv3 is used, does not properly implement combinations of security modes, which allows remote attackers to bypass intended access restrictions and read or modify files, as demonstrated by a combination of the sec=sys and sec=krb5 security modes, related to modes that "override each other."

Weakness: CWE-264

Which versions are affected by CVE-2009-0873?

It affects 3 products.

Products include Sun Opensolaris, Sun Solaris, Sun Sunos.

How do I fix CVE-2009-0873?

No fix has been published for CVE-2009-0873 yet. Limit exposure of the affected software until one is available.

Upgrade, and rotate credentials and sessions that may have been exposed. More about Authentication bypass.

Is CVE-2009-0873 being exploited?

There is no known exploitation of CVE-2009-0873 in the wild and no public exploit code.

All Sun Opensolaris vulnerabilities

Sources

Also known as GHSA-gq6x-qcc2-xccg.

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