Input validation error in dnsmasq (Alpine package)
| Risk | Medium |
| Patch available | YES |
| Number of vulnerabilities | 1 |
| CVE-ID | CVE-2015-8899 |
| CWE-ID | CWE-20 |
| Exploitation vector | Network |
| Public exploit | N/A |
| Vulnerable software |
dnsmasq (Alpine package) Operating systems & Components / Operating system package or component |
| Vendor | Alpine Linux Development Team |
Security Bulletin
This security bulletin contains one medium risk vulnerability.
1) Input validation error
EUVDB-ID: #VU32274
Risk: Medium
CVSSv4.0: 6.6 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Green]
CVE-ID: CVE-2015-8899
CWE-ID:
CWE-20 - Improper input validation
Exploit availability: No
DescriptionThe vulnerability allows a remote non-authenticated attacker to perform a denial of service (DoS) attack.
Dnsmasq before 2.76 allows remote servers to cause a denial of service (crash) via a reply with an empty DNS address that has an (1) A or (2) AAAA record defined locally.
MitigationInstall update from vendor's website.
Vulnerable software versionsdnsmasq (Alpine package): 2.52-r0 - 2.75-r1
CPE2.3- cpe:2.3:o:alpine:dnsmasq_alpine_package:2.52-r0:*:*:*:*:alpine_linux:*:1.10
- cpe:2.3:o:alpine:dnsmasq_alpine_package:2.55-r0:*:*:*:*:alpine_linux:*:2.0
- cpe:2.3:o:alpine:dnsmasq_alpine_package:2.57-r0:*:*:*:*:alpine_linux:*:2.2
https://git.alpinelinux.org/aports/commit/?id=e587f8ab9537de72151c3e8cd3a104c4c0c3ed1c
Q & A
Can this vulnerability be exploited remotely?
Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.
