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cURL/libcURL 'curl_easy_unescape()' Heap Memory Corruption Vulnerability

medium Log Correlation Engine Plugin ID 801395

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

A heap-based buffer overflow flaw was found in the way libcurl unescaped URLs. A remote attacker could provide a specially-crafted URL that, when processed by an application using libcurl that handles untrusted URLs, would possibly cause it to crash or, potentially, execute arbitrary code. (CVE-2013-2174)

Solution

Upgrade the affected packages; the next version of cURL that fixes the issue is cURL 7.31.0.

See Also

https://www.redhat.com/security/data/cve/CVE-2013-2174.html

http://curl.haxx.se/docs/adv_20130622.html

http://rhn.redhat.com/errata/RHSA-2013-0983.html

Plugin Details

Severity: Medium

ID: 801395

Family: Web Clients

Published: 7/1/2013

Nessus ID: 66981

Risk Information

CVSS v2

Risk Factor: High

Base Score: 7.5

Temporal Score: 5.5

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

Vulnerability Information

Patch Publication Date: 6/22/2013

Vulnerability Publication Date: 6/22/2013

Reference Information

CVE: CVE-2013-2174

BID: 60737