CVE-2009-1755: Buffer Overflow
Off-by-one error in the packetreadquerysection function in packet.c in nsd 3.2.1, and processquerysection in query.c in nsd 2.3.7, allows remote attackers to cause a denial of service (crash) and possibly execute arbitrary code via unspecified vectors that trigger a buffer overflow.
Affected Software
Remediation
Patch Available
Patch Available
Event History
Frequently Asked Questions
What is the severity of CVE-2009-1755?
CVE-2009-1755 has been classified as a medium severity vulnerability due to its potential to cause denial of service and arbitrary code execution.
How do I fix CVE-2009-1755?
To fix CVE-2009-1755, update to a patched version of NSD that addresses the buffer overflow issue.
Which versions are affected by CVE-2009-1755?
CVE-2009-1755 affects multiple versions of NSD, including 2.0.0 through 3.2.1.
What kind of attacks can exploit CVE-2009-1755?
Exploitation of CVE-2009-1755 can lead to remote denial of service attacks and potential arbitrary code execution.
Is there a workaround for CVE-2009-1755?
There is no reliable workaround for CVE-2009-1755; upgrading to a non-vulnerable version is recommended.