CVE-2009-1755: Buffer Overflow
First published: Fri May 22 2009(Updated: )
Off-by-one error in the packet_read_query_section function in packet.c in nsd 3.2.1, and process_query_section 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.
Credit: cve@mitre.org
| Affected Software | Affected Version | How to fix |
|---|---|---|
| NLnet Labs Name Server Daemon | =2.1.5 | |
| NLnet Labs Name Server Daemon | =3.0.5 | |
| NLnet Labs Name Server Daemon | =3.2.0 | |
| NLnet Labs Name Server Daemon | =3.1.1 | |
| NLnet Labs Name Server Daemon | =2.1.2 | |
| NLnet Labs Name Server Daemon | =2.3.2 | |
| NLnet Labs Name Server Daemon | =3.0.1 | |
| NLnet Labs Name Server Daemon | =2.1.4 | |
| NLnet Labs Name Server Daemon | =2.3.4 | |
| NLnet Labs Name Server Daemon | =2.3.3 | |
| NLnet Labs Name Server Daemon | =2.0.1 | |
| NLnet Labs Name Server Daemon | =3.0.8 | |
| NLnet Labs Name Server Daemon | =2.1.3 | |
| NLnet Labs Name Server Daemon | =3.2.1 | |
| NLnet Labs Name Server Daemon | =2.2.1 | |
| NLnet Labs Name Server Daemon | =2.3.6 | |
| NLnet Labs Name Server Daemon | =2.1.0 | |
| NLnet Labs Name Server Daemon | =3.0.4 | |
| NLnet Labs Name Server Daemon | =2.0.2 | |
| NLnet Labs Name Server Daemon | =3.0.6 | |
| NLnet Labs Name Server Daemon | =2.1.1 | |
| NLnet Labs Name Server Daemon | =3.0.3 | |
| NLnet Labs Name Server Daemon | =2.3.0 | |
| NLnet Labs Name Server Daemon | =2.0.0 | |
| NLnet Labs Name Server Daemon | =3.0.0 | |
| NLnet Labs Name Server Daemon | =3.1.0 | |
| NLnet Labs Name Server Daemon | =2.3.7 | |
| NLnet Labs Name Server Daemon | =2.2.0 | |
| NLnet Labs Name Server Daemon | =3.0.7 | |
| NLnet Labs Name Server Daemon | =2.3.5 | |
| NLnet Labs Name Server Daemon | =3.0.2 | |
| NLnet Labs Name Server Daemon | =2.2.0 | |
| NLnet Labs Name Server Daemon | =2.2.1 | |
| NLnet Labs Name Server Daemon | =2.3.0 | |
| NLnet Labs Name Server Daemon | =2.3.2 | |
| NLnet Labs Name Server Daemon | =2.3.3 | |
| NLnet Labs Name Server Daemon | =2.3.4 | |
| NLnet Labs Name Server Daemon | =2.3.5 | |
| NLnet Labs Name Server Daemon | =2.3.6 | |
| NLnet Labs Name Server Daemon | =3.0.0 | |
| NLnet Labs Name Server Daemon | =3.0.1 | |
| NLnet Labs Name Server Daemon | =3.0.2 | |
| NLnet Labs Name Server Daemon | =3.0.3 | |
| NLnet Labs Name Server Daemon | =3.0.4 | |
| NLnet Labs Name Server Daemon | =3.0.5 | |
| NLnet Labs Name Server Daemon | =3.0.6 | |
| NLnet Labs Name Server Daemon | =3.0.7 | |
| NLnet Labs Name Server Daemon | =3.0.8 | |
| NLnet Labs Name Server Daemon | =3.1.0 | |
| NLnet Labs Name Server Daemon | =3.1.1 | |
| NLnet Labs Name Server Daemon | =3.2.0 |
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Reference Links
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.
- agent/references
- agent/weakness
- agent/severity
- agent/author
- agent/description
- agent/type
- agent/first-publish-date
- agent/softwarecombine
- agent/last-modified-date
- agent/remedy
- agent/tags
- collector/nvd-historical
- agent/software-canonical-lookup-request
- collector/nvd-index
- agent/event
- vendor/nlnetlabs
- canonical/nlnet labs name server daemon
- version/nlnet labs name server daemon/2.1.5
- version/nlnet labs name server daemon/3.0.5
- version/nlnet labs name server daemon/3.2.0
- version/nlnet labs name server daemon/3.1.1
- version/nlnet labs name server daemon/2.1.2
- version/nlnet labs name server daemon/2.3.2
- version/nlnet labs name server daemon/3.0.1
- version/nlnet labs name server daemon/2.1.4
- version/nlnet labs name server daemon/2.3.4
- version/nlnet labs name server daemon/2.3.3
- version/nlnet labs name server daemon/2.0.1
- version/nlnet labs name server daemon/3.0.8
- version/nlnet labs name server daemon/2.1.3
- version/nlnet labs name server daemon/3.2.1
- version/nlnet labs name server daemon/2.2.1
- version/nlnet labs name server daemon/2.3.6
- version/nlnet labs name server daemon/2.1.0
- version/nlnet labs name server daemon/3.0.4
- version/nlnet labs name server daemon/2.0.2
- version/nlnet labs name server daemon/3.0.6
- version/nlnet labs name server daemon/2.1.1
- version/nlnet labs name server daemon/3.0.3
- version/nlnet labs name server daemon/2.3.0
- version/nlnet labs name server daemon/2.0.0
- version/nlnet labs name server daemon/3.0.0
- version/nlnet labs name server daemon/3.1.0
- version/nlnet labs name server daemon/2.3.7
- version/nlnet labs name server daemon/2.2.0
- version/nlnet labs name server daemon/3.0.7
- version/nlnet labs name server daemon/2.3.5
- version/nlnet labs name server daemon/3.0.2