tinc VPN 1.0.17/1.0.18/1.0.19/1.0.20/1.1 net_packet.c receive_tcppacket memory corruption
CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
---|---|---|
6.0 | $0-$5k | 0.00 |
A vulnerability classified as critical was found in tinc VPN 1.0.17/1.0.18/1.0.19/1.0.20/1.1 (Network Encryption Software). This vulnerability affects the function receive_tcppacket
of the file net_packet.c. The manipulation with an unknown input leads to a memory corruption vulnerability. The CWE definition for the vulnerability is CWE-119. The product performs operations on a memory buffer, but it can read from or write to a memory location that is outside of the intended boundary of the buffer. As an impact it is known to affect confidentiality, integrity, and availability. CVE summarizes:
Stack-based buffer overflow in the receive_tcppacket function in net_packet.c in tinc before 1.0.21 and 1.1 before 1.1pre7 allows remote authenticated peers to cause a denial of service (crash) or possibly execute arbitrary code via a large TCP packet.
The weakness was released 04/26/2013 by Martin (Website). The advisory is shared for download at github.com. This vulnerability was named CVE-2013-1428 since 01/26/2013. The exploitation appears to be easy. The attack can be initiated remotely. The successful exploitation requires a single authentication. Technical details and also a public exploit are known.
A public exploit has been developed in Ruby. It is possible to download the exploit at securityfocus.com. It is declared as highly functional. The vulnerability scanner Nessus provides a plugin with the ID 66180 (Debian DSA-2663-1 : tinc - stack based buffer overflow), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Debian Local Security Checks.
Upgrading to version 1.0.19 eliminates this vulnerability.
The vulnerability is also documented in the vulnerability database at Tenable (66180).
Product
Type
Vendor
Name
Version
License
CPE 2.3
CPE 2.2
CVSSv4
VulDB CVSS-B Score: 🔍VulDB CVSS-BT Score: 🔍
VulDB Vector: 🔍
VulDB Reliability: 🔍
CVSSv3
VulDB Meta Base Score: 6.3VulDB Meta Temp Score: 6.0
VulDB Base Score: 6.3
VulDB Temp Score: 6.0
VulDB Vector: 🔍
VulDB Reliability: 🔍
CVSSv2
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Vector | Complexity | Authentication | Confidentiality | Integrity | Availability |
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VulDB Base Score: 🔍
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VulDB Reliability: 🔍
NVD Base Score: 🔍
Exploiting
Class: Memory corruptionCWE: CWE-119
CAPEC: 🔍
ATT&CK: 🔍
Local: No
Remote: Yes
Availability: 🔍
Access: Public
Status: Highly functional
Programming Language: 🔍
Download: 🔍
EPSS Score: 🔍
EPSS Percentile: 🔍
Price Prediction: 🔍
Current Price Estimation: 🔍
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Nessus ID: 66180
Nessus Name: Debian DSA-2663-1 : tinc - stack based buffer overflow
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Port: 🔍
OpenVAS ID: 892663
OpenVAS Name: Debian Security Advisory DSA 2663-1 (tinc - stack based buffer overflow
OpenVAS File: 🔍
OpenVAS Family: 🔍
MetaSploit ID: tincd_bof.rb
MetaSploit Name: Tincd Post-Authentication Remote TCP Stack Buffer Overflow
MetaSploit File: 🔍
Threat Intelligence
Interest: 🔍Active Actors: 🔍
Active APT Groups: 🔍
Countermeasures
Recommended: UpgradeStatus: 🔍
0-Day Time: 🔍
Upgrade: VPN 1.0.19
Patch: github.com
Timeline
01/26/2013 🔍04/22/2013 🔍
04/22/2013 🔍
04/23/2013 🔍
04/23/2013 🔍
04/26/2013 🔍
04/26/2013 🔍
04/29/2013 🔍
03/24/2015 🔍
01/02/2022 🔍
Sources
Advisory: DSA-2663Researcher: Martin
Status: Not defined
Confirmation: 🔍
CVE: CVE-2013-1428 (🔍)
OVAL: 🔍
Vulnerability Center: 39384 - Tinc Before 1.0.21 and 1.1 Before 1.1pre7 Remote Authenticated DoS via a Large TCP Packet, Medium
SecurityFocus: 59369 - tinc CVE-2013-1428 Stack Buffer Overflow Vulnerability
Secunia: 53087 - Debian update for tinc, Moderately Critical
OSVDB: 92653
scip Labs: https://www.scip.ch/en/?labs.20161013
Entry
Created: 03/24/2015 15:54Updated: 01/02/2022 11:28
Changes: 03/24/2015 15:54 (72), 04/28/2017 10:05 (13), 01/02/2022 11:13 (4), 01/02/2022 11:21 (1), 01/02/2022 11:28 (2)
Complete: 🔍
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