CVE-2015-3294
medium
CVSS v3
โ
CVSS v4 NEW
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VIR risk
6.4
Description
The tcp_request function in Dnsmasq before 2.73rc4 does not properly handle the return value of the setup_reply function, which allows remote attackers to read process memory and cause a denial of service (out-of-bounds read and crash) via a malformed DNS request.
Predictions
Exploit likelihood
20%
Patch ETA
โ
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 โ if you've already worked around this in production โ publish your fix to the community-verified tier.
โ Propose a mitigation on Community โ 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 | bookworm | fixed | 2.72-3.1 |
| debian | bullseye | fixed | 2.72-3.1 |
| debian | forky | fixed | 2.72-3.1 |
| debian | sid | fixed | 2.72-3.1 |
| debian | trixie | fixed | 2.72-3.1 |
Application impact
| Vendor | Product | Versions | Fixed |
|---|---|---|---|
| thekelleys | dnsmasq | {"endIncluding":"2.73"} | |
References
- http://lists.opensuse.org/opensuse-updates/2015-05/msg00013.html
- http://lists.thekelleys.org.uk/pipermail/dnsmasq-discuss/2015q2/009382.html
- http://lists.thekelleys.org.uk/pipermail/dnsmasq-discuss/2015q2/009387.html
- http://thekelleys.org.uk/gitweb/?p=dnsmasq.git%3Ba=commitdiff%3Bh=ad4a8ff7d9097008d7623df8543df435bfddeac8
- http://www.debian.org/security/2015/dsa-3251
- http://www.oracle.com/technetwork/topics/security/bulletinjul2015-2511963.html
- http://www.securityfocus.com/archive/1/535354/100/1100/threaded
- http://www.securityfocus.com/bid/74452
- http://www.securitytracker.com/id/1032195
- http://www.ubuntu.com/usn/USN-2593-1
- https://security.gentoo.org/glsa/201512-01
- https://security-tracker.debian.org/tracker/CVE-2015-3294
CWEs
CWE-19
Community-verified mitigations for this CVE will appear above when contributors publish them.
Verify integrity in audit chain (admin only). AS-IS.