CVE-2017-14494 dnsmasq before 2.78, when configured as a relay, allows remote attackers to obtain sensitive memory information via vectors involving handling DHCPv6 forwarded requests.
MediumCVSS 5.9
EPSS 70.5%
PoC
- Published
- Updated
- Exploit status
- Proof-of-concept only
Description
dnsmasq before 2.78, when configured as a relay, allows remote attackers to obtain sensitive memory information via vectors involving handling DHCPv6 forwarded requests.
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| debian/dnsmasq(Debian:12) | < 2.78-1 | 2.78-1 |
| debian/dnsmasq(Debian:13) | < 2.78-1 | 2.78-1 |
| debian/dnsmasq(Debian:14) | < 2.78-1 | 2.78-1 |
| Canonical Ubuntu Linux | = 14.04 | No fix listed |
| Canonical Ubuntu Linux | = 16.04 | No fix listed |
| Canonical Ubuntu Linux | = 17.04 | No fix listed |
| debian linux | = 7.0 | No fix listed |
| debian linux | = 7.1 | No fix listed |
| debian linux | = 9.0 | No fix listed |
| novell leap | = 42.2 | No fix listed |
| novell leap | = 42.3 | No fix listed |
| redhat enterprise linux desktop | = 7.0 | No fix listed |
| redhat enterprise linux server | = 7.0 | No fix listed |
| redhat enterprise linux workstation | = 7.0 | No fix listed |
| thekelleys dnsmasq | <= 2.77 | No fix listed |
| alpine/dnsmasq(Alpine:v3.10) | < 2.78-r0 | 2.78-r0 |
| alpine/dnsmasq(Alpine:v3.11) | < 2.78-r0 | 2.78-r0 |
| alpine/dnsmasq(Alpine:v3.12) | < 2.78-r0 | 2.78-r0 |
| alpine/dnsmasq(Alpine:v3.13) | < 2.78-r0 | 2.78-r0 |
| alpine/dnsmasq(Alpine:v3.14) | < 2.78-r0 | 2.78-r0 |
| alpine/dnsmasq(Alpine:v3.15) | < 2.78-r0 | 2.78-r0 |
| alpine/dnsmasq(Alpine:v3.16) | < 2.78-r0 | 2.78-r0 |
| alpine/dnsmasq(Alpine:v3.17) | < 2.78-r0 | 2.78-r0 |
| alpine/dnsmasq(Alpine:v3.18) | < 2.78-r0 | 2.78-r0 |
| alpine/dnsmasq(Alpine:v3.19) | < 2.78-r0 | 2.78-r0 |
Show 12 more
| Product | Affected versions | Fixed in |
|---|---|---|
| alpine/dnsmasq(Alpine:v3.20) | < 2.78-r0 | 2.78-r0 |
| alpine/dnsmasq(Alpine:v3.21) | < 2.78-r0 | 2.78-r0 |
| alpine/dnsmasq(Alpine:v3.22) | < 2.78-r0 | 2.78-r0 |
| alpine/dnsmasq(Alpine:v3.23) | < 2.78-r0 | 2.78-r0 |
| alpine/dnsmasq(Alpine:v3.24) | < 2.78-r0 | 2.78-r0 |
| alpine/dnsmasq(Alpine:v3.3) | < 2.76-r1 | 2.76-r1 |
| alpine/dnsmasq(Alpine:v3.4) | < 2.76-r1 | 2.76-r1 |
| alpine/dnsmasq(Alpine:v3.5) | < 2.76-r2 | 2.76-r2 |
| alpine/dnsmasq(Alpine:v3.6) | < 2.76-r5 | 2.76-r5 |
| alpine/dnsmasq(Alpine:v3.7) | < 2.78-r0 | 2.78-r0 |
| alpine/dnsmasq(Alpine:v3.8) | < 2.78-r0 | 2.78-r0 |
| alpine/dnsmasq(Alpine:v3.9) | < 2.78-r0 | 2.78-r0 |
References
- Debian Security Tracker CVE-2017-14494 vendor-advisory
- openSUSE-SU-2017:2633 issue-tracking mailing-list third-party-advisory vendor-advisory
- nvidia.custhelp.com
- thekelleys.org.uk release-notes vendor-advisory
- thekelleys.org.uk
- www.arubanetworks.com
- DSA-3989 third-party-advisory vendor-advisory
- 101085 third-party-advisory vdb-entry
- 1039474 third-party-advisory vdb-entry
- USN-3430-1 third-party-advisory vendor-advisory
- USN-3430-2 third-party-advisory vendor-advisory
- RHSA-2017:2836 patch third-party-advisory vendor-advisory
- RHSA-2017:2837 patch third-party-advisory vendor-advisory
- access.redhat.com issue-tracking third-party-advisory
- GLSA-201710-27 vendor-advisory
- security.googleblog.com third-party-advisory
- 42944 exploit third-party-advisory vdb-entry
- VU#973527 third-party-advisory us-government-resource
- [dnsmasq-discuss] 20171002 IMPORTANT SECURITY INFORMATION. mailing-list
- [dnsmasq-discuss] 20171002 Announce: dnsmasq-2.78. mailing-list
- www.synology.com
- security.alpinelinux.org vendor-advisory