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CVE-2016-5421

Public on 2016-08-10
Modified on 2016-08-17
Description

A use-after-free flaw was found in libcurl. When invoking curl_easy_perform() after cleaning up a multi session, an application can be tricked into using libcurl to connect to a malicious server, allowing an attacker to potentially execute arbitrary code. The highest threat from this vulnerability is to data confidentiality and integrity as well as data confidentiality.

Severity
Medium
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CVSS v3 Base Score
8.1
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Affected Packages

Platform Package Release Date Advisory
Amazon Linux 1 curl 2016-08-17 13:30 ALAS-2016-730

CVSS Scores

Score Type Score Vector
Amazon Linux CVSSv2 6.2 AV:L/AC:H/Au:N/C:C/I:C/A:C
Amazon Linux CVSSv3 8.1 CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
NVD CVSSv2 6.8 AV:N/AC:M/Au:N/C:P/I:P/A:P
NVD CVSSv3 8.1 CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H