CVE-2012-6700: Buffer Overflow
First published: Mon Apr 11 2016(Updated: )
The decode_search function in dhcp.c in dhcpcd 3.x does not properly free allocated memory, which allows remote DHCP servers to cause a denial of service via a crafted response.
Credit: cve@mitre.org
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Debian Linux | =7.0 | |
| dhcpcd | =3.1.9 | |
| dhcpcd | =3.2.0 | |
| dhcpcd | =3.2.1 | |
| dhcpcd | =3.2.2 | |
| dhcpcd | =3.2.3 |
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Reference Links
Frequently Asked Questions
What is the severity of CVE-2012-6700?
CVE-2012-6700 has been classified as a high severity vulnerability due to its potential to cause a denial of service.
How do I fix CVE-2012-6700?
To fix CVE-2012-6700, you should update dhcpcd to a version that has addressed the memory management issue.
Which versions of dhcpcd are affected by CVE-2012-6700?
CVE-2012-6700 affects dhcpcd versions 3.1.9, 3.2.0, 3.2.1, 3.2.2, and 3.2.3.
Can remote DHCP servers exploit CVE-2012-6700?
Yes, remote DHCP servers can exploit CVE-2012-6700 by sending a crafted response that triggers the denial of service.
What impact does CVE-2012-6700 have on affected systems?
The impact of CVE-2012-6700 on affected systems includes unexpected crashes and potential downtime due to denial of service.
- agent/type
- collector/mitre-cve
- source/MITRE
- agent/severity
- agent/weakness
- agent/last-modified-date
- agent/references
- agent/author
- agent/description
- agent/first-publish-date
- agent/event
- agent/source
- agent/softwarecombine
- agent/tags
- collector/nvd-index
- agent/software-canonical-lookup-request
- vendor/debian
- canonical/debian linux
- version/debian linux/7.0
- vendor/dhcpcd project
- canonical/dhcpcd
- version/dhcpcd/3.1.9
- version/dhcpcd/3.2.0
- version/dhcpcd/3.2.1
- version/dhcpcd/3.2.2
- version/dhcpcd/3.2.3