Cisco VPN Client up to 3.5.1 Profile vpnclient connect memory corruption
CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
---|---|---|
8.4 | $0-$5k | 0.00 |
A vulnerability classified as critical has been found in Cisco VPN Client up to 3.5.1 (Network Encryption Software). Affected is an unknown function of the file vpnclient of the component Profile Handler. The manipulation of the argument connect
with an unknown input leads to a memory corruption vulnerability. CWE is classifying the issue as 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. This is going to have an impact on confidentiality, integrity, and availability. CVE summarizes:
Buffer overflow in the vpnclient program for UNIX VPN Client before 3.5.2 allows local users to gain administrative privileges via a long profile name in a connect argument.
The bug was discovered 06/19/2002. The weakness was shared 05/28/2002 (Website). The advisory is shared for download at sec.angrypacket.com. This vulnerability is traded as CVE-2002-1447. The exploitability is told to be easy. The attack needs to be approached locally. The exploitation doesn't require any form of authentication. Technical details and a public exploit are known.
A public exploit has been developed in ANSI C. The exploit is shared for download at securityfocus.com. It is declared as proof-of-concept. As 0-day the estimated underground price was around $25k-$100k.
Upgrading to version 3.5.2 eliminates this vulnerability.
The vulnerability is also documented in the vulnerability database at X-Force (9376).
Product
Type
Vendor
Name
Version
License
Support
- end of life (old version)
CPE 2.3
CPE 2.2
CVSSv4
VulDB CVSS-B Score: 🔍VulDB CVSS-BT Score: 🔍
VulDB Vector: 🔍
VulDB Reliability: 🔍
CVSSv3
VulDB Meta Base Score: 9.3VulDB Meta Temp Score: 8.4
VulDB Base Score: 9.3
VulDB Temp Score: 8.4
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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Exploiting
Class: Memory corruptionCWE: CWE-119
CAPEC: 🔍
ATT&CK: 🔍
Local: Yes
Remote: No
Availability: 🔍
Access: Public
Status: Proof-of-Concept
Programming Language: 🔍
Download: 🔍
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EPSS Percentile: 🔍
Price Prediction: 🔍
Current Price Estimation: 🔍
0-Day | unlock | unlock | unlock | unlock |
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Threat Intelligence
Interest: 🔍Active Actors: 🔍
Active APT Groups: 🔍
Countermeasures
Recommended: UpgradeStatus: 🔍
0-Day Time: 🔍
Upgrade: VPN Client 3.5.2
Timeline
05/28/2002 🔍05/28/2002 🔍
05/28/2002 🔍
06/19/2002 🔍
06/19/2002 🔍
04/25/2006 🔍
07/11/2014 🔍
06/17/2019 🔍
Sources
Vendor: cisco.comAdvisory: sec.angrypacket.com
Status: Not defined
CVE: CVE-2002-1447 (🔍)
X-Force: 9376
Vulnerability Center: 11237 - [cisco-sa-20020619-unix-vpn-buffer-overflow] Cisco VPN Client Buffer Overflow via Connect Argument, High
SecurityFocus: 5056 - Cisco VPN Client for Unix Local Buffer Overflow Vulnerability
OSVDB: 14494 - Cisco - VPN Client for Unix - Buffer Overflow via Vpnclient Profile Name
scip Labs: https://www.scip.ch/en/?labs.20161013
Entry
Created: 07/11/2014 13:58Updated: 06/17/2019 06:35
Changes: 07/11/2014 13:58 (64), 06/17/2019 06:35 (4)
Complete: 🔍
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