CVE-2003-0826 Memory corruption in n/a
Remote attackers can execute arbitrary code via a heap-based buffer overflow in the lsh daemon due to improper handling of long input.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2003-0826?
CVE-2003-0826 is a high-severity memory corruption vulnerability in n/a, published on 23 Sep 2003. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
lsh daemon (lshd) does not properly return from certain functions in (1) read_line.c, (2) channel_commands.c, or (3) client_keyexchange.c when long input is provided, which could allow remote attackers to execute arbitrary code via a heap-based buffer overflow attack.
Which versions are affected by CVE-2003-0826?
It affects 1 product.
Products include Gnu Lsh.
How do I fix CVE-2003-0826?
Apply the vendor's patch.
Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.
Is CVE-2003-0826 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2003-0826 exists.
Public exploit code: 2 Exploit-DB entries.
Other vulnerabilities in n/a
Sources
Also known as DEBIAN-CVE-2003-0826, GHSA-pgp8-cv9p-r5m2.