Input validation error in mumble (Alpine package)
| Risk | Medium |
| Patch available | YES |
| Number of vulnerabilities | 1 |
| CVE-ID | CVE-2018-20743 |
| CWE-ID | CWE-20 |
| Exploitation vector | Network |
| Public exploit | N/A |
| Vulnerable software Subscribe |
mumble (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: #VU33178
Risk: Medium
CVSSv3.1: 6.5 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C]
CVE-ID: CVE-2018-20743
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.
murmur in Mumble through 1.2.19 before 2018-08-31 mishandles multiple concurrent requests that are persisted in the database, which allows remote attackers to cause a denial of service (daemon hang or crash) via a message flood.
MitigationInstall update from vendor's website.
Vulnerable software versionsmumble (Alpine package): 1.2.10-r0 - 1.2.19-r1
External linkshttp://git.alpinelinux.org/aports/commit/?id=738ee3c9be3e7f43b6fed55917ea3b702b13d71a
http://git.alpinelinux.org/aports/commit/?id=e48242318848b1ec3264a7c02db1d5dc1a93e6ca
http://git.alpinelinux.org/aports/commit/?id=235782c8b6162aa4ad881f1539664449101bf8a5
http://git.alpinelinux.org/aports/commit/?id=442ccc174a119c491694394b8050532b256cd0ed
http://git.alpinelinux.org/aports/commit/?id=4a453130f4b0f55d01ed05035747d838f3aad53b
http://git.alpinelinux.org/aports/commit/?id=815772ad9958ac8666893e38b9b8b48cb956c6e3
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.
