CVE-2012-3523

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.

Category

6.8
CVSS
Severity: Medium
CVSS 2.0 •
EPSS 18.81% Top 10%
Vendor Advisory mandriva.com Vendor Advisory opensuse.org
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
http://www.mandriva.com/security/advisories?name=MDVSA-2012:156 vendor advisory
http://secunia.com/advisories/50661 third party advisory
http://lists.opensuse.org/opensuse-updates/2012-09/msg00058.html vendor advisory

Frequently Asked Questions

What is the severity of CVE-2012-3523?
CVE-2012-3523 has been scored as a medium severity vulnerability.
How to fix CVE-2012-3523?
To fix CVE-2012-3523, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2012-3523 being actively exploited in the wild?
It is possible that CVE-2012-3523 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~19% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
This platform uses data from the NIST NVD, MITRE CVE, MITRE CWE, First.org and CISA KEV but is not endorsed or certified by these entities. CVE is a registred trademark of the MITRE Corporation and the authoritative source of CVE content is MITRE's CVE web site. CWE is a registred trademark of the MITRE Corporation and the authoritative source of CWE content is MITRE's CWE web site.
© 2025 Under My Watch. All Rights Reserved.