CVE-2013-2174
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…
Does this matter?
EPSS puts the probability of exploitation in the next 30 days at 11.1%, higher than 96% of all known CVEs. Patch or mitigate before the next change window.
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.
- CVSS 2.0
- 6.8 MEDIUMAV:N/AC:M/Au:N/C:P/I:P/A:P
- EPSS
- 11.12% probability · 96th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-119
- Affected
- haxx/curl · haxx/libcurl · canonical/ubuntu linux · opensuse/opensuse · redhat/enterprise linux
- Source
- secalert@redhat.com
References
- http://curl.haxx.se/docs/adv_20130622.htmlVendor Advisory
- 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
- https://github.com/bagder/curl/commit/192c4f788d48f82c03e9cef40013f34370e90737Exploit, Patch
- http://curl.haxx.se/docs/adv_20130622.htmlVendor Advisory
- 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
- https://github.com/bagder/curl/commit/192c4f788d48f82c03e9cef40013f34370e90737Exploit, Patch
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.