SB2016110313 - Credentials management in curl (Alpine package)
Published: November 3, 2016
Security Bulletin ID
SB2016110313
Severity
Medium
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Remote access
Highest impact
Data manipulation
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) Credentials management (CVE-ID: CVE-2016-8616)
The vulnerability allows a remote non-authenticated attacker to manipulate data.
A flaw was found in curl before version 7.51.0 When re-using a connection, curl was doing case insensitive comparisons of user name and password with the existing connections. This means that if an unused connection with proper credentials exists for a protocol that has connection-scoped credentials, an attacker can cause that connection to be reused if s/he knows the case-insensitive version of the correct password.
Remediation
Install update from vendor's website.
References
- https://git.alpinelinux.org/aports/commit/?id=e57c1f8b95e9a6aecc75e9eaae6c7bf9e259adb6
- https://git.alpinelinux.org/aports/commit/?id=7079fe21530ae1c8147925d8b591131b786ab2e9
- https://git.alpinelinux.org/aports/commit/?id=619d9f8608068fab555a9a54e6154eb798eb5c2c
- https://git.alpinelinux.org/aports/commit/?id=69c95791ab79c2f073015b2ea7e847b27a649257
- https://git.alpinelinux.org/aports/commit/?id=ba3dc3d210189d8b88c35c3b6850f54f8041f3fa
- https://git.alpinelinux.org/aports/commit/?id=4cbdd0cf8c1d0c855e0d3cfb56ef02aa19716a01
- https://git.alpinelinux.org/aports/commit/?id=41621bfa2c8cbc7303191ddefd9ccaa650d8b359
- https://git.alpinelinux.org/aports/commit/?id=ffe6b82496f728d1d75dae4030047c6ff48a9c5a