83228 : Debian Linux dhcpcd DHCP Packet Handling Remote Overflow
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Timeline

Disclosure Date
2012-06-23

Description

Debian Linux is prone to an overflow condition. The dhcpcd client fails to properly sanitize user-supplied input resulting in a stack overflow. With a specially crafted DHCP packet, a remote attacker can potentially execute arbitrary code.

Classification

Location: Remote / Network Access
Attack Type: Input Manipulation
Impact: Loss of Integrity
Solution: Upgrade
Exploit: Exploit Unknown
Disclosure: Vendor Verified

Solution

Upgrade dhcpcd to version 4.0.2 or higher, as it has been reported to fix this vulnerability. An upgrade is required as there are no known workarounds. Debian has also released an update

Products

Debian

dhcpcd

3.2.3

References

CVE ID: 2012-2152 (see also: NVD)
Secunia Advisory ID: 49679
Vendor Specific News/Changelog Entry: http://www.debian.org/security/2012/dsa-2498
https://bugzilla.novell.com/show_bug.cgi?id=760334
Mail List Post: http://www.openwall.com/lists/oss-security/2012/05/02/4

Credit

Not Available

CVSSv2 Score

CVSSv2 Base Score = 7.5
Source: nvd.nist.gov | Generated: 2012-07-26 | Disagree?

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