VulnerabilityModified
CVE-2012-6700
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.
HIGH 7.5EPSS 1.97%
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (1.97%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
Description
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.
- CVSS 3.0
- 7.5 HIGHCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- EPSS
- 1.97% probability · 79th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-119
- Affected
- debian/debian linux · dhcpcd project/dhcpcd
- Source
- cve@mitre.org
References
- http://www.debian.org/security/2016/dsa-3534
- http://www.openwall.com/lists/oss-security/2015/12/02/1
- http://www.openwall.com/lists/oss-security/2015/12/03/1
- https://bugs.launchpad.net/ubuntu/+source/dhcpcd/+bug/1517226
- https://launchpadlibrarian.net/228152582/dhcp.c.patch
- http://www.debian.org/security/2016/dsa-3534
- http://www.openwall.com/lists/oss-security/2015/12/02/1
- http://www.openwall.com/lists/oss-security/2015/12/03/1
- https://bugs.launchpad.net/ubuntu/+source/dhcpcd/+bug/1517226
- https://launchpadlibrarian.net/228152582/dhcp.c.patch
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.