CVE-2012-3523 Other in n/a
Man-in-the-middle attackers can inject commands into encrypted NNTP sessions due to improper I/O buffering in INN's STARTTLS implementation.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2012-3523?
CVE-2012-3523 is a medium-severity vulnerability in n/a, published on 11 Nov 2012. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
The STARTTLS implementation in nnrpd in INN before 2.5.3 does not properly restrict I/O buffering, which allows man-in-the-middle attackers to insert commands into encrypted sessions by sending a cleartext command that is processed after TLS is in place, related to a "plaintext command injection" attack, a similar issue to CVE-2011-0411.
Weakness: CWE-264
Which versions are affected by CVE-2012-3523?
It affects 1 product.
Products include Isc Inn.
How do I fix CVE-2012-3523?
Upgrade to a fixed version.
Is CVE-2012-3523 being exploited?
There is no known exploitation of CVE-2012-3523 in the wild and no public exploit code.
Other vulnerabilities in n/a
Sources
Also known as DEBIAN-CVE-2012-3523, GHSA-g67q-3725-x6h7.