CVE-2010-1938 Integer overflow in n/a
Remote attackers can cause a denial of service or execute arbitrary code via a long username due to an off-by-one error in the OPIE library.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2010-1938?
CVE-2010-1938 is a critical vulnerability in Freebsd Freebsd, published on 28 May 2010. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
Off-by-one error in the __opiereadrec function in readrec.c in libopie in OPIE 2.4.1-test1 and earlier, as used on FreeBSD 6.4 through 8.1-PRERELEASE and other platforms, allows remote attackers to cause a denial of service (daemon crash) or possibly execute arbitrary code via a long username, as demonstrated by a long USER command to the FreeBSD 8.0 ftpd.
Weakness: CWE-189
Which versions are affected by CVE-2010-1938?
It affects 2 products.
Products include Freebsd Freebsd, Nrl Opie.
How do I fix CVE-2010-1938?
No fix has been published for CVE-2010-1938 yet. Limit exposure of the affected software until one is available.
Is CVE-2010-1938 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2010-1938 exists.
Public exploit code: 1 Exploit-DB entry and 1 proofs of concept on GitHub.
Other vulnerabilities in Freebsd Freebsd
Sources
Also known as GHSA-grpr-f38p-j58f.