CVE-2011-0997
Description
dhclient in ISC DHCP 3.0.x through 4.2.x before 4.2.1-P1, 3.1-ESV before 3.1-ESV-R1, and 4.1-ESV before 4.1-ESV-R2 allows remote attackers to execute arbitrary commands via shell metacharacters in a hostname obtained from a DHCP message, as demonstrated by a hostname that is provided to dhclient-script.
Predictions
Heuristic predictions, AS-IS, for prioritization only.
Mitigations
No mitigations published for this CVE yet.
The vendor-content worker queues fetches as references arrive (check back in a few minutes). Or — if you've already worked around this in production — publish your fix to the community-verified tier.
✚ Propose a mitigation on Community → Mitigations published via the community go through AI scoring + 2 human reviewers + 7-day silent objection window before landing here withsource_tier=community-verified.
OS impact
Ubuntu Affected 5 releases
| Version | Status | Fixed in |
|---|---|---|
| 10.10 | Affected | — |
| 10.04 | Affected | — |
| 9.10 | Affected | — |
| 8.04 | Affected | — |
| 6.06 | Affected | — |
Debian Mixed 7 releases
| Version | Status | Fixed in |
|---|---|---|
| trixie | Fixed | 4.1.1-P1-16.1 |
| sid | Fixed | 4.1.1-P1-16.1 |
| bullseye | Fixed | 4.1.1-P1-16.1 |
| bookworm | Fixed | 4.1.1-P1-16.1 |
| 7.0 | Affected | — |
| 6.0 | Affected | — |
| 5.0 | Affected | — |
References
- http://kb.juniper.net/InfoCenter/index?page=content&id=JSA10761
- http://lists.fedoraproject.org/pipermail/package-announce/2011-April/057888.html
- http://lists.fedoraproject.org/pipermail/package-announce/2011-April/058279.html
- http://marc.info/?l=bugtraq&m=133226187115472&w=2
- http://secunia.com/advisories/44037
- http://secunia.com/advisories/44048
- http://secunia.com/advisories/44089
- http://secunia.com/advisories/44090
- http://secunia.com/advisories/44103
- http://secunia.com/advisories/44127
- http://secunia.com/advisories/44180
- http://security.gentoo.org/glsa/glsa-201301-06.xml
- http://securitytracker.com/id?1025300
- http://slackware.com/security/viewer.php?l=slackware-security&y=2011&m=slackware-security.593345
- http://www.debian.org/security/2011/dsa-2216
- http://www.debian.org/security/2011/dsa-2217
- http://www.kb.cert.org/vuls/id/107886
- http://www.mandriva.com/security/advisories?name=MDVSA-2011:073
- http://www.osvdb.org/71493
- http://www.redhat.com/support/errata/RHSA-2011-0428.html
- http://www.redhat.com/support/errata/RHSA-2011-0840.html
- http://www.securityfocus.com/bid/47176
- http://www.ubuntu.com/usn/USN-1108-1
- http://www.vupen.com/english/advisories/2011/0879
- http://www.vupen.com/english/advisories/2011/0886
CWEs
CWE-20
Community-verified mitigations for this CVE will appear above when contributors publish them.
Verify integrity in audit chain (admin only). AS-IS.