Information disclosure in libvncserver (Alpine package)
| Risk | Low |
| Patch available | YES |
| Number of vulnerabilities | 1 |
| CVE-ID | CVE-2020-14400 |
| CWE-ID | CWE-200 |
| Exploitation vector | Network |
| Public exploit | N/A |
| Vulnerable software Subscribe |
libvncserver (Alpine package) Operating systems & Components / Operating system package or component |
| Vendor | Alpine Linux Development Team |
Security Bulletin
This security bulletin contains one low risk vulnerability.
1) Information disclosure
EUVDB-ID: #VU29379
Risk: Low
CVSSv3.1: 3.8 [CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N/E:U/RL:O/RC:C]
CVE-ID: CVE-2020-14400
CWE-ID:
CWE-200 - Information exposure
Exploit availability: No
DescriptionThe vulnerability allows a remote user to gain access to potentially sensitive information.
The vulnerability exists due to byte-aligned data is accessed through uint16_t pointers in libvncserver/translate.c. A remote authenticated user can gain unauthorized access to sensitive information on the system.
MitigationInstall update from vendor's website.
Vulnerable software versionslibvncserver (Alpine package): 0.9.10-r0 - 0.9.12-r2
External linkshttp://git.alpinelinux.org/aports/commit/?id=60d0315bb55d8dd7d0c654dbcf8ca9157bee54f2
http://git.alpinelinux.org/aports/commit/?id=bd5545fe9442912826f75d68a7f88e0a71f0f571
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.
