CVE-2009-0692 EXPLOIT
10.0
HIGH · CVSS 2.0 · EPSS 25.8% (pctl 98)
Patch early
A public exploit exists.
Description
Stack-based buffer overflow in the script_write_params method in client/dhclient.c in ISC DHCP dhclient 4.1 before 4.1.0p1, 4.0 before 4.0.1p1, 3.1 before 3.1.2p1, 3.0, and 2.0 allows remote DHCP servers to execute arbitrary code via a crafted subnet-mask option.
Scoring
| CVSS | 10.0 (HIGH, v2.0) |
|---|---|
| Vector | AV:N/AC:L/Au:N/C:C/I:C/A:C |
| EPSS | 25.78% — more likely to be exploited than 98% of all CVEs |
| Weakness | CWE-119 |
| On CISA KEV | no |
| Public exploit | yes |
| Published | 2009-07-14 |
| Last modified | 2026-06-16 |
Affected (1)
| Vendor | Product |
|---|---|
| isc | dhcp |
Public exploits
| Source | Title | Date |
|---|---|---|
| exploit-db | ISC DHCP dhclient < 3.1.2p1 - Remote Buffer Overflow (PoC) | 2009-07-27 |
References
- http://ftp.netbsd.org/pub/NetBSD/security/advisories/NetBSD-SA2009-010.txt.asc
- http://itrc.hp.com/service/cki/docDisplay.do?docId=emr_na-c02286083
- http://lists.opensuse.org/opensuse-security-announce/2009-07/msg00003.html
- http://secunia.com/advisories/35785
- http://secunia.com/advisories/35829
- http://secunia.com/advisories/35830
- http://secunia.com/advisories/35831
- http://secunia.com/advisories/35832
- http://secunia.com/advisories/35841
- http://secunia.com/advisories/35849
- http://secunia.com/advisories/35850
- http://secunia.com/advisories/35851
- http://secunia.com/advisories/35880
- http://secunia.com/advisories/36457
- http://secunia.com/advisories/37342
- http://secunia.com/advisories/40551
- http://security.gentoo.org/glsa/glsa-200907-12.xml
- http://slackware.com/security/viewer.php?l=slackware-security&y=2009&m=slackware-security.561471
- http://www.debian.org/security/2009/dsa-1833
- http://www.kb.cert.org/vuls/id/410676
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