Improper input validation in patch (Alpine package)
| Risk | High |
| Patch available | YES |
| Number of vulnerabilities | 1 |
| CVE-ID | CVE-2018-1000156 |
| CWE-ID | CWE-20 |
| Exploitation vector | Network |
| Public exploit | N/A |
| Vulnerable software Subscribe |
patch (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) Improper input validation
EUVDB-ID: #VU11646
Risk: High
CVSSv3.1: 8.7 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H/E:U/RL:O/RC:C]
CVE-ID: CVE-2018-1000156
CWE-ID:
CWE-20 - Improper input validation
Exploit availability: No
DescriptionThe vulnerability allows a remote attacker to execute arbitrary code on the target system.
The weakness exists in the EDITOR_PROGRAM invocation due to improper input validation. A remote attacker can send a specially crafted patch file and execute arbitrary code.
Successful exploitation of the vulnerability may result in system compromise.
MitigationInstall update from vendor's website.
Vulnerable software versionspatch (Alpine package): 2.7.5-r3
External linkshttp://git.alpinelinux.org/aports/commit/?id=eb88ff152557254bd38fbe358892d73f97a09e6b
http://git.alpinelinux.org/aports/commit/?id=08cb18d753922eac06c4a8129e25ed4dc7e4c757
http://git.alpinelinux.org/aports/commit/?id=095fae596fc49100874f93b298316eb4f6d24f0f
http://git.alpinelinux.org/aports/commit/?id=8f0728f36ce1e97f76e4da6a8f980538652a78a6
http://git.alpinelinux.org/aports/commit/?id=a7c5a8cafae8eb123b5026d0c83f1af99caac728
http://git.alpinelinux.org/aports/commit/?id=f1460ec84b8cffa5d8fa79602ad97642452e5e5c
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.
