CVE-2007-5030

Severity: medium (CVSS 5.0 v2.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 1.7% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2007-09-21 · updated 2026-06-16
Weakness: CWE-189

Description

Multiple integer overflows in Dibbler 0.6.0 allow remote attackers to cause a denial of service (daemon crash) via packets containing options with large lengths, which trigger attempts at excessive memory allocation, as demonstrated by (1) the TSrvMsg constructor in SrvMessages/SrvMsg.cpp; the (2) TClntMsg, (3) TClntOptIAAddress, (4) TClntOptIAPrefix, (5) TOptVendorSpecInfo, and (6) TOptOptionRequest constructors; and the (7) TRelIfaceMgr::decodeRelayRepl, (8) TRelMsg::decodeOpts, and (9) TSrvIfaceMgr::decodeRelayForw methods.

Affected products

Dibbler: 0.6.0

References

http://klub.com.pl/dhcpv6/
http://labs.musecurity.com/wp-content/uploads/2007/09/mu-200709-02.txt
http://lists.grok.org.uk/pipermail/full-disclosure/2007-September/065892.html
http://osvdb.org/40568
http://secunia.com/advisories/26876
http://www.securityfocus.com/bid/25726
https://exchange.xforce.ibmcloud.com/vulnerabilities/36684
http://klub.com.pl/dhcpv6/
http://labs.musecurity.com/wp-content/uploads/2007/09/mu-200709-02.txt
http://lists.grok.org.uk/pipermail/full-disclosure/2007-September/065892.html
http://osvdb.org/40568
http://secunia.com/advisories/26876

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