Input validation error in znc (Alpine package)
| Risk | Medium |
| Patch available | YES |
| Number of vulnerabilities | 1 |
| CVE-ID | CVE-2019-9917 |
| CWE-ID | CWE-20 |
| Exploitation vector | Network |
| Public exploit | N/A |
| Vulnerable software Subscribe |
znc (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: #VU18315
Risk: Medium
CVSSv3.1: 5.7 [CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C]
CVE-ID: CVE-2019-9917
CWE-ID:
CWE-20 - Improper input validation
Exploit availability: No
DescriptionThe vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to insufficient validation of user-supplied input. A remote attacker can send a specially crafted message in incorrect encoding and cause the application to crash.
Install update from vendor's website.
Vulnerable software versionsznc (Alpine package): 1.7.0-r0 - 1.7.1-r2
External linkshttp://git.alpinelinux.org/aports/commit/?id=9f597246c67939eeee73b2e42c904193c37d14b1
http://git.alpinelinux.org/aports/commit/?id=5524d0802e01fb342f5903cf764bc02a3cf001e0
http://git.alpinelinux.org/aports/commit/?id=bbe0e7a47c997626ab5531f35346431f28b947bd
http://git.alpinelinux.org/aports/commit/?id=5ba4ab63dba572def02e384a6ce330f7fe18aaf7
http://git.alpinelinux.org/aports/commit/?id=31a764089f1e1bb0df223c191bfea1d1ae51ca7f
http://git.alpinelinux.org/aports/commit/?id=16956b90ab430f1836112c44807b832d8f520760
http://git.alpinelinux.org/aports/commit/?id=0fec0a0abada9125f1b853d55225ac39a0b3da5c
Q & A
Can this vulnerability be exploited remotely?
Yes. This vulnerability can be exploited by a remote authenticated user via the Internet.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.
