Instituto Nacional de ciberseguridad. Sección Incibe
Instituto Nacional de Ciberseguridad. Sección INCIBE-CERT

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CVE-2013-2174

Severity CVSS v4.0:
Pending analysis
Type:
CWE-119 Buffer Errors
Publication date:
31/07/2013
Last modified:
11/04/2025

Description

Heap-based buffer overflow in the curl_easy_unescape function in lib/escape.c in cURL and libcurl 7.7 through 7.30.0 allows remote attackers to cause a denial of service (application crash) or possibly execute arbitrary code via a crafted string ending in a "%" (percent) character.

Impact

Vector 2.0
AV:N/AC:M/Au:N/C:P/I:P/A:P CVSS v2.0 Severity and Metrics:

Base Score: 6.80 MEDIUM
Vector: AV:N/AC:M/Au:N/C:P/I:P/A:P

Attack Vector (AV): Network
Attack Complexity (AC): Medium
Authentication (Au): None
Confidentiality (C): Physical
Integrity (I): Physical
Availability (A): Physical

Base Score 2.0
6.80
Severity 2.0
MEDIUM

Vulnerable products and versions

CPE From Up to
cpe:2.3:a:haxx:curl:7.7:*:*:*:*:*:*:*
cpe:2.3:a:haxx:curl:7.7.1:*:*:*:*:*:*:*
cpe:2.3:a:haxx:curl:7.7.2:*:*:*:*:*:*:*
cpe:2.3:a:haxx:curl:7.7.3:*:*:*:*:*:*:*
cpe:2.3:a:haxx:curl:7.8:*:*:*:*:*:*:*
cpe:2.3:a:haxx:curl:7.8.1:*:*:*:*:*:*:*
cpe:2.3:a:haxx:curl:7.9:*:*:*:*:*:*:*
cpe:2.3:a:haxx:curl:7.9.1:*:*:*:*:*:*:*
cpe:2.3:a:haxx:curl:7.9.2:*:*:*:*:*:*:*
cpe:2.3:a:haxx:curl:7.9.3:*:*:*:*:*:*:*
cpe:2.3:a:haxx:curl:7.9.4:*:*:*:*:*:*:*
cpe:2.3:a:haxx:curl:7.9.5:*:*:*:*:*:*:*
cpe:2.3:a:haxx:curl:7.9.6:*:*:*:*:*:*:*
cpe:2.3:a:haxx:curl:7.9.7:*:*:*:*:*:*:*
cpe:2.3:a:haxx:curl:7.9.8:*:*:*:*:*:*:*

To consult the complete list of CPE names with products and versions, see this page


References to Advisories, Solutions, and Tools