#VU13841 Heap-based buffer overflow in cURL
Vulnerability identifier: #VU13841
Vulnerability risk: High
CVSSv3.1: 8.7 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H/E:U/RL:O/RC:C]
CVE-ID:
CWE-ID:
CWE-122
Exploitation vector: Network
Exploit availability: No
Vulnerable software:
cURL
Client/Desktop applications /
Other client software
Vendor: curl.haxx.se
Description
The vulnerability allows a remote attacker to execute arbitrary code on the target system.
The vulnerability exists in curl_smtp_escape_eob in lib/smtp.c due to heap-based buffer overflow when a system invokes curl to send data via SMTP and uses a reduced read buffer. A remote unauthenticated attacker can trigger memory corruption and cause the service to crash or execute arbitrary data with elevated privileges.
Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.
Mitigation
Update to version 7.61.0.
Vulnerable software versions
cURL: 7.24.0 - 7.60.0
External links
http://curl.haxx.se/docs/adv_2018-70a2.html
Q & A
Can this vulnerability be exploited remotely?
Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.
