Weakn encryption in samba (Alpine package)
| Risk | Low |
| Patch available | YES |
| Number of vulnerabilities | 1 |
| CVE-ID | CVE-2018-1139 |
| CWE-ID | CWE-327 |
| Exploitation vector | Local network |
| Public exploit | N/A |
| Vulnerable software Subscribe |
samba (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) Weakn encryption
EUVDB-ID: #VU14336
Risk: Low
CVSSv3.1: 3.8 [CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N/E:U/RL:O/RC:C]
CVE-ID: CVE-2018-1139
CWE-ID:
CWE-327 - Use of a Broken or Risky Cryptographic Algorithm
Exploit availability: No
DescriptionThe vulnerability allows a remote attacker to bypass certain security restrictions.
The vulnerability exists due to an error that allows usage of NTLMv1 encryption protocol over SMB1 transport, even when NTLMv1 is explicitly disabled.
MitigationInstall update from vendor's website.
Vulnerable software versionssamba (Alpine package): 4.7.0-r0 - 4.7.6-r0
External linkshttp://git.alpinelinux.org/aports/commit/?id=2a5d0006bdb59356b99ca90d9b2b6147c0d526f6
http://git.alpinelinux.org/aports/commit/?id=53e46bd2838462d43bb89139a98f91afc31b6a08
http://git.alpinelinux.org/aports/commit/?id=d773d4c9846c9af6fff4cf55c1942ce486760f82
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.
