Unchecked Return Value in vlc (Alpine package)
| Risk | High |
| Patch available | YES |
| Number of vulnerabilities | 1 |
| CVE-ID | CVE-2020-6072 |
| CWE-ID | CWE-252 |
| Exploitation vector | Network |
| Public exploit | N/A |
| Vulnerable software Subscribe |
vlc (Alpine package) Operating systems & Components / Operating system package or component |
| Vendor | Alpine Linux Development Team |
Security Bulletin
This security bulletin contains one high risk vulnerability.
1) Unchecked Return Value
EUVDB-ID: #VU26336
Risk: High
CVSSv3.1: 8.5 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]
CVE-ID: CVE-2020-6072
CWE-ID:
CWE-252 - Unchecked Return Value
Exploit availability: No
DescriptionThe vulnerability allows a remote attacker to execute arbitrary code on the target system.
The vulnerability exists within the label-parsing functionality due to the "rr_decode" function's return value is not checked when parsing compressed labels in mDNS messages. A remote attacker can send a specially crafted mDNS message and execute arbitrary code on the target system.
MitigationInstall update from vendor's website.
Vulnerable software versionsvlc (Alpine package): 3.0.7.1-r0 - 3.0.8-r10
External linkshttp://git.alpinelinux.org/aports/commit/?id=1ebe2cad40adfbabf1834c6f475ec127bd6cea76
http://git.alpinelinux.org/aports/commit/?id=c4cee9ea9b47a4a0340aaa1b9681adab29fc4e57
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.
