CVE-2014-8602
medium
CVSS v3
—
CVSS v4 NEW
—
VIR risk
4.3
Description
iterator.c in NLnet Labs Unbound before 1.5.1 does not limit delegation chaining, which allows remote attackers to cause a denial of service (memory and CPU consumption) via a large or infinite number of referrals.
Predictions
Exploit likelihood
20%
Patch ETA
—
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
| OS | Version | Status | Fixed in |
|---|---|---|---|
| debian | 7.0 | affected | |
| ubuntu | 14.04 | affected | |
| ubuntu | 14.10 | affected | |
| debian | bookworm | fixed | 1.4.22-3 |
| debian | bullseye | fixed | 1.4.22-3 |
| debian | forky | fixed | 1.4.22-3 |
| debian | sid | fixed | 1.4.22-3 |
| debian | trixie | fixed | 1.4.22-3 |
Application impact
| Vendor | Product | Versions | Fixed |
|---|---|---|---|
| nlnetlabs | unbound | {"endIncluding":"1.5.0"} | |
References
- http://cert.ssi.gouv.fr/site/CERTFR-2014-AVI-512/index.html
- http://unbound.net/downloads/patch_cve_2014_8602.diff
- http://www.debian.org/security/2014/dsa-3097
- http://www.kb.cert.org/vuls/id/264212
- http://www.oracle.com/technetwork/topics/security/linuxbulletinoct2015-2719645.html
- http://www.securityfocus.com/bid/71589
- http://www.ubuntu.com/usn/USN-2484-1
- https://unbound.net/downloads/CVE-2014-8602.txt
- https://security-tracker.debian.org/tracker/CVE-2014-8602
CWEs
CWE-399
Community-verified mitigations for this CVE will appear above when contributors publish them.
Verify integrity in audit chain (admin only). AS-IS.