Vulnerability identifier: #VU33106
Vulnerability risk: Low
CVSSv4.0: 5.1 [CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:A/U:Clear]
CVE-ID:
CWE-ID:
CWE-121
Exploitation vector: Network
Exploit availability: Yes
Description
The vulnerability allows a remote attacker to execute arbitrary code on the target system.
The vulnerability exists due to a boundary error within the receive_tcppacket function in net_packet.c when processing a large TCP packet. A remote unauthenticated attacker can trigger stack-based buffer overflow and execute arbitrary code on the target system.
Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.
Mitigation
Cybersecurity Help is currently unaware of any official solution to address this vulnerability.
External links
https://freecode.com/projects/tinc/releases/354122
https://lists.fedoraproject.org/pipermail/package-announce/2013-May/105531.html
https://lists.fedoraproject.org/pipermail/package-announce/2013-May/105559.html
https://lists.fedoraproject.org/pipermail/package-announce/2013-May/106167.html
https://osvdb.org/92653
https://secunia.com/advisories/53087
https://secunia.com/advisories/53108
https://www.debian.org/security/2013/dsa-2663
https://www.securityfocus.com/bid/59369
https://www.tinc-vpn.org/news/
https://www.tinc-vpn.org/pipermail/tinc/2013-April/003240.html
https://github.com/gsliepen/tinc/commit/17a33dfd95b1a29e90db76414eb9622df9632320
Can this vulnerability be exploited remotely?
Yes. This vulnerability can be exploited by a remote authenticated privileged user via the Internet.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability. However, a fully functional exploit for this vulnerability is available.