Improper access control in apache2 (Alpine package)



Risk Low
Patch available YES
Number of vulnerabilities 1
CVE-ID CVE-2018-1283
CWE-ID CWE-20
Exploitation vector Network
Public exploit N/A
Vulnerable software
 apache2 (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) Improper access control

EUVDB-ID: #VU11282

Risk: Low

CVSSv4.0: 6.6 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2018-1283

CWE-ID: CWE-20 - Improper input validation

Exploit availability: No

Description

The vulnerability allows a remote attacker to modify data on the target system.

The weakness exists on systems with mod_session configured with SessionEnv on to forward session data to CGI applications due to improper input validation. A remote attacker can send a specially crafted 'Session' header value to potentially modify mod_session data.

Mitigation

Install update from vendor's website.

Vulnerable software versions

apache2 (Alpine package): 2.4.4-r0 - 2.4.29-r1

CPE2.3 External links

https://git.alpinelinux.org/aports/commit/?id=745c279a27c099e33067e550773bdc49d7d3da2e
https://git.alpinelinux.org/aports/commit/?id=a30dbd55635b5e5c03db10c63ac61a2a9b3c3b05
https://git.alpinelinux.org/aports/commit/?id=c976cfb3d3e83caaa82a05bc37b1c1a6e6b3ea1c
https://git.alpinelinux.org/aports/commit/?id=fc2557dadf48a27feaa29261edcaa62ea4fc367e


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.



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