CVE-2013-2174
MEDIUM severity · CVSS 6.8 · Memory corruption
6.8CVSS MEDIUM
Summary
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 & exploitability
Attack vectorNetwork
Attack complexity—
Privileges required—
User interaction—
Confidentiality impact—
Integrity impact—
Availability impact—
Exploit probability (EPSS)11%
AV:N/AC:M/Au:N/C:P/I:P/A:P
Recommendation
Apply the vendor fix in your normal patch cycle. Open any affected product above for its exact safe version.
Additional information
- NVD record
- http://curl.haxx.se/docs/adv_20130622.htmlAdvisory
- http://lists.opensuse.org/opensuse-updates/2013-07/msg00013.html
- http://rhn.redhat.com/errata/RHSA-2013-0983.html
- http://www.debian.org/security/2013/dsa-2713
- http://www.oracle.com/technetwork/topics/security/cpujul2015-2367936.html
- http://www.oracle.com/technetwork/topics/security/ovmbulletinjul2016-3090546.html
- http://www.securityfocus.com/bid/60737
- http://www.ubuntu.com/usn/USN-1894-1