SB2016090803 - Improper Authentication in curl (Alpine package)
Published: September 8, 2016
Security Bulletin ID
SB2016090803
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) Improper Authentication (CVE-ID: CVE-2016-7141)
The vulnerability allows a remote non-authenticated attacker to manipulate data.
curl and libcurl before 7.50.2, when built with NSS and the libnsspem.so library is available at runtime, allow remote attackers to hijack the authentication of a TLS connection by leveraging reuse of a previously loaded client certificate from file for a connection for which no certificate has been set, a different vulnerability than CVE-2016-5420.
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=39696e7a1a7079578ea07cb9514fd0c50105340e
- https://git.alpinelinux.org/aports/commit/?id=05856c0939286a93f5688b24120b6c9787977547
- https://git.alpinelinux.org/aports/commit/?id=0b9606c74e0669bf33b6218fa17b9c1e765eb79a
- https://git.alpinelinux.org/aports/commit/?id=5d819a073fb59aa30d6f4614784fef677bb39a49
- https://git.alpinelinux.org/aports/commit/?id=0b5317d5717ad95fbe3c5737438b3f62f5457f61
- https://git.alpinelinux.org/aports/commit/?id=e74166949f3af736e8f6b5bfeab9d4af8a3eaf3a