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CVE-2013-2174

Date: July 31, 2013

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.

Language: C

Severity Score

Related Resources (14)

http://www.debian.org/security/2013/dsa-2713
https://nvd.nist.gov/vuln/detail/CVE-2013-2174
http://www.oracle.com/technetwork/topics/security/cpujul2015-2367936.html
https://security-tracker.debian.org/tracker/CVE-2013-2174
http://curl.haxx.se/docs/adv_20130622.html
https://access.redhat.com/security/cve/CVE-2013-2174
http://www.oracle.com/technetwork/topics/security/ovmbulletinjul2016-3090546.html
http://www.securityfocus.com/bid/60737
http://lists.opensuse.org/opensuse-updates/2013-07/msg00013.html
http://www.ubuntu.com/usn/USN-1894-1
https://github.com/bagder/curl/commit/192c4f788d48f82c03e9cef40013f34370e90737
https://people.canonical.com/~ubuntu-security/cve/CVE-2013-2174
http://rhn.redhat.com/errata/RHSA-2013-0983.html
https://www.mend.io/vulnerability-database/CVE-2013-2174

Severity Score

Weakness Type (CWE)

Buffer Errors

CWE-119

Buffer Over-read

CWE-126

CVSS v3.1

Base Score:
Attack Vector (AV): NETWORK
Attack Complexity (AC): HIGH
Privileges Required (PR): NONE
User Interaction (UI): NONE
Scope (S): UNCHANGED
Confidentiality (C): LOW
Integrity (I): LOW
Availability (A): LOW

CVSS v2

Base Score:
Access Vector (AV): NETWORK
Access Complexity (AC): MEDIUM
Authentication (AU): NONE
Confidentiality (C): PARTIAL
Integrity (I): PARTIAL
Availability (A): PARTIAL
Additional information:

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