NULL pointer dereference in samba (Alpine package)
| Risk | Medium |
| Patch available | YES |
| Number of vulnerabilities | 1 |
| CVE-ID | CVE-2019-14847 |
| CWE-ID | CWE-476 |
| Exploitation vector | 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 medium risk vulnerability.
1) NULL pointer dereference
EUVDB-ID: #VU22331
Risk: Medium
CVSSv3.1: 4.3 [CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C]
CVE-ID: CVE-2019-14847
CWE-ID:
CWE-476 - NULL Pointer Dereference
Exploit availability: No
DescriptionThe vulnerability allows a remote user to perform a denial of service (DoS) attack.
The vulnerability exists due to a NULL pointer dereference error within implementation of the MS-ADTS "3.1.1.3.1.3.3 Range Retrieval of Attribute Values" feature. A remote user with "get changes" extended access right can trigger NULL pointer dereference error and perform a denial of service (DoS) attack.
MitigationInstall update from vendor's website.
Vulnerable software versionssamba (Alpine package): 4.1.1-r0 - 4.8.12-r0
External linkshttp://git.alpinelinux.org/aports/commit/?id=2eff8a828fa8e0df24702602a7a3280016efebf3
http://git.alpinelinux.org/aports/commit/?id=4da1ee1a718f0e9dfd6a6e91f9348fa96a58567d
http://git.alpinelinux.org/aports/commit/?id=1a4e1a61106f66fdcf65ec33a37a99cea23db966
Q & A
Can this vulnerability be exploited remotely?
Yes. This vulnerability can be exploited by a remote authenticated privileged user via the Internet.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.
