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4.6
CVSSv2

CVE-2020-8249

Published: 28/10/2020 Updated: 17/08/2021
CVSS v2 Base Score: 4.6 | Impact Score: 6.4 | Exploitability Score: 3.9
CVSS v3 Base Score: 7.8 | Impact Score: 5.9 | Exploitability Score: 1.8
VMScore: 409
Vector: AV:L/AC:L/Au:N/C:P/I:P/A:P
Subscribe to Pulse Secure Desktop Client

Vulnerability Summary

A vulnerability in the Pulse Secure Desktop Client (Linux) < 9.1R9 could allow local malicious users to perform buffer overflow.

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pulsesecure pulse secure desktop client

pulsesecure pulse secure desktop client 9.1

Github Repositories

https://github.com/mbadanoiu/CVE-2020-8249

CVE-2020-8249: Buffer Overflow in Pulse Secure VPN Linux Client

CVE-2020-8249: Buffer Overflow in Pulse Secure VPN Linux Client The root SUID executable pulsesvc, has a function “do_upload” that unsafely calls a “sprintf” which can result in a buffer overflow Because the “sprintf” writes the values on the stack, if a big enough string is passed to it, then it can result in the overwrite of the legitimate

References

CWE-120https://kb.pulsesecure.net/articles/Pulse_Security_Advisories/SA44601https://nvd.nist.govhttps://github.com/mbadanoiu/CVE-2020-8249
CVSSv2
CVSSv2
CVSSv3
VMScore
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