Use-after-free in samba (Alpine package)



Risk Medium
Patch available YES
Number of vulnerabilities 1
CVE-ID CVE-2017-14746
CWE-ID CWE-416
Exploitation vector Local network
Public exploit N/A
Vulnerable software
 samba (Alpine package)
Operating systems & Components / Operating system package or component

RoboHelp
Universal components / Libraries / Software for developers

Vendor Alpine Linux Development Team
Adobe

Security Bulletin

This security bulletin contains one medium risk vulnerability.

1) Use-after-free

EUVDB-ID: #VU9372

Risk: Medium

CVSSv4.0: 6.3 [CVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: CVE-2017-14746

CWE-ID: CWE-416 - Use After Free

Exploit availability: No

Description

The vulnerability allows a remote attacker to execute arbitrary code on the target system.

The vulnerability exists due to a use-after-free error when processing SMB1 requests. A remote attacker can send a specially crafted SMB1 request to vulnerable server, trigger heap-based buffer overflow and execute arbitrary code on the target system.

Successful exploitation of the vulnerability may allow an attacker to compromise vulnerable SMB server.

Mitigation

Install update from vendor's website.

Vulnerable software versions

samba (Alpine package): 4.1.1-r0 - 4.4.16-r0

RoboHelp: 0.60.6-r0

CPE2.3 External links

https://git.alpinelinux.org/aports/commit/?id=6245a2ceb9dc360ca5f8beb4419ea14952923a37
https://git.alpinelinux.org/aports/commit/?id=009040103407533ea980becb5012c7d386900453
https://git.alpinelinux.org/aports/commit/?id=9bc23b7dcfc97e7686a3bf86040af5b192e3cd52
https://git.alpinelinux.org/aports/commit/?id=8b1320cfb5bc14ab3b588a3fb25b4b80d6f4fb39


Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the local network (LAN).

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.



###SIDEBAR###