#VU66916 Heap-based buffer overflow in libcurl - CVE-2013-2174
Published: September 1, 2022
Vulnerability identifier: #VU66916
Vulnerability risk: High
CVSSv4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber
CVE-ID: CVE-2013-2174
CWE-ID: CWE-122
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerable software:
libcurl
libcurl
Software vendor:
curl.haxx.se
curl.haxx.se
Description
The vulnerability allows a remote attacker to execute arbitrary code on the target system.
The vulnerability exists due to a boundary error in the "curl_easy_unescape" function. A remote attacker can pass specially crafted data to the application, trigger a heap-based buffer overflow and execute arbitrary code on the target system.
Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.
Remediation
Install update from vendor's website.
External links
- http://curl.haxx.se/docs/adv_20130622.html
- 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/192c4f788d48f82c03e9cef40013f34370e90737