Input validation error in samba (Alpine package)

1) Input validation error

EUVDB-ID: #VU33840

Risk: Low

CVSSv3.1: 1.3 [CVSS:3.1/AV:N/AC:L/PR:/UI:N/S:U/C:L/I:N/A:N/E:U/RL:O/RC:C]

CVE-ID: CVE-2014-0178

CWE-ID: CWE-20 - Improper input validation

Exploit availability: No

Description

The vulnerability allows a remote #AU# to gain access to sensitive information.

Samba 3.6.6 through 3.6.23, 4.0.x before 4.0.18, and 4.1.x before 4.1.8, when a certain vfs shadow copy configuration is enabled, does not properly initialize the SRV_SNAPSHOT_ARRAY response field, which allows remote authenticated users to obtain potentially sensitive information from process memory via a (1) FSCTL_GET_SHADOW_COPY_DATA or (2) FSCTL_SRV_ENUMERATE_SNAPSHOTS request. Per: http://cwe.mitre.org/data/definitions/665.html "CWE-665: Improper Initialization"

Mitigation

Install update from vendor's website.

Vulnerable software versions

samba (Alpine package): 4.1.3-r1 - 4.1.8-r0

External links

http://git.alpinelinux.org/aports/commit/?id=78b979ac65ba3411be0c978f668d87fd432bf2ac

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote via the Internet.

Is there known malware, which exploits this vulnerability?

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