Authentication bypass in apache2 (Alpine package)
| Risk | Medium |
| Patch available | YES |
| Number of vulnerabilities | 1 |
| CVE-ID | CVE-2017-3167 |
| CWE-ID | CWE-592 |
| Exploitation vector | Network |
| Public exploit | N/A |
| Vulnerable software Subscribe |
apache2 (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) Authentication bypass
EUVDB-ID: #VU7115
Risk: Medium
CVSSv3.1: 6.5 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N/E:U/RL:O/RC:C]
CVE-ID: CVE-2017-3167
CWE-ID:
CWE-592 - Authentication Bypass Issues
Exploit availability: No
DescriptionThe vulnerability allows a remote attacker to bypass authentication process.
The vulnerability exists due to usage of the ap_get_basic_auth_pw() function by third-party modules outside of the authentication phase. A remote attacker can create a specially crafted HTTP request to vulnerable web server, bypass authentication requirements and gain unauthorized access to otherwise protected information.
MitigationInstall update from vendor's website.
Vulnerable software versionsapache2 (Alpine package): 2.2.20-r0 - 2.4.25-r1
External linkshttp://git.alpinelinux.org/aports/commit/?id=33c9b879e1ac2712ea308a9c9e642d83b54d690d
http://git.alpinelinux.org/aports/commit/?id=123bd575ef649725247a39822c96929fc1d5e06b
http://git.alpinelinux.org/aports/commit/?id=a565b281e6104e1e1f7ec2b18e1e43353c71a483
http://git.alpinelinux.org/aports/commit/?id=c930c29f44d1c8c27a01acc3e871b48922d3b620
http://git.alpinelinux.org/aports/commit/?id=f0f780e35d42ebf1bbacad2015da18bf1c42dc74
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.
