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openSUSE: Security Advisory for c-ares (openSUSE-SU-2021:2760-1)
Information
Severity
Severity
Family
Family
CVSSv2 Base
CVSSv2 Base
CVSSv2 Vector
CVSSv2 Vector
Solution Type
Solution Type
Created
Created
Modified
Modified
Summary
The remote host is missing an update for the 'c-ares' package(s) announced via the openSUSE-SU-2021:2760-1 advisory.
Insight
Insight
This update for c-ares fixes the following issues: Version update to git snapshot 1.17.1+20200724: - CVE-2021-3672: fixed missing input validation on hostnames returned by DNS servers (bsc#1188881) - If ares_getaddrinfo() was terminated by an ares_destroy(), it would cause crash - Crash in sortaddrinfo() if the list size equals 0 due to an unexpected DNS response - Expand number of escaped characters in DNS replies as per RFC1035 5.1 to prevent spoofing - Use unbuffered /dev/urandom for random data to prevent early startup performance issues
Affected Software
Affected Software
'c-ares' package(s) on openSUSE Leap 15.3.
Detection Method
Detection Method
Checks if a vulnerable package version is present on the target host.
Solution
Solution
Please install the updated package(s).