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cURL/libcURL 7.x < 7.39.0 'curl_easy_duphandle()' Out-of-Bounds Read Issue

medium Nessus Network Monitor Plugin ID 8565

Synopsis

The cURL program is a library and command-line tool for transferring data using various protocols, including HTTP, FTP, and LDAP. A vulnerable version of cURL was detected from the host.

Description

Versions of cURL/libcURL older than 7.39.0 are unpatched for an out-of-bounds read vulnerability in the 'curl_easy_duphandle()' function, which is triggered when using the CURLOPT_COPYPOSTFIELDS option and sending a binary HTTP POST. This can be leveraged to cause a crash or disclose heap memory contents.

Solution

Upgrade the affected packages; the next version of cURL/libcURL that fixes the issue is cURL 7.39.0.

See Also

http://curl.haxx.se/docs/adv_20141105.html

Plugin Details

Severity: Medium

ID: 8565

Family: Web Clients

Published: 11/10/2014

Updated: 3/6/2019

Risk Information

VPR

Risk Factor: Medium

Score: 6.7

CVSS v2

Risk Factor: Medium

Base Score: 4

Temporal Score: 3.5

Vector: CVSS2#AV:N/AC:H/Au:N/C:P/I:N/A:P

CVSS v3

Risk Factor: Medium

Base Score: 4.8

Temporal Score: 4.6

Vector: CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:L

Temporal Vector: CVSS:3.0/E:X/RL:O/RC:C

Vulnerability Information

CPE: cpe:/a:haxx:curl

Patch Publication Date: 11/5/2014

Vulnerability Publication Date: 11/5/2014

Reference Information

CVE: CVE-2014-3707

BID: 70988