漏洞信息
It was discovered that curl incorrectly handled client certificates when resuming a TLS session.
It was discovered that curl incorrectly handled client certificates when reusing TLS connections.
It was discovered that curl incorrectly reused a connection struct, contrary to expectations.
漏洞危害
An attacker can exploit these issues to affect confidentiality, integrity and availability of the system. (CVE-2016-5419) (CVE-2016-5420)
This issue only applied to Ubuntu 14.04 LTS and Ubuntu 16.04 LTS. (CVE-2016-5421)
解决方案
Refer to Ubuntu advisory USN-3048-1 for affected packages and patching details, or update with your package manager.
Patch:
Following are links for downloading patches to fix the vulnerabilities:
USN-3048-1: 16.04 (Xenial) on src (libcurl3-nss)
USN-3048-1: 14.04 (Kylin) on src (libcurl3-gnutls)
USN-3048-1: 14.04 (Kylin) on src (libcurl3-nss)
USN-3048-1: 16.04 (Xenial) on src (libcurl3-gnutls)
USN-3048-1: 16.04 (Xenial) on src (libcurl3)
USN-3048-1: 12.04 (Precise) on src (libcurl3)
USN-3048-1: 12.04 (Precise) on src (libcurl3-nss)
0day
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