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EX SSL-VPN: Is SRA EX-SSLVPN vulnerable to OpenSSL Heartbleed? How to address it?
03/26/2020 
3 
8573
DESCRIPTION:
EX SSL-VPN: Is SRA EX-SSLVPN vulnerable to OpenSSL Heartbleed? How to address it?
RESOLUTION:
SRA EX SSL-VPN
The following versions of the Aventail appliance are vulnerable to heartbleed attack.
Dell SonicWall Engineering have identified that OpenSSL Vulnerability might be affecting appliances with firmware Version 10.6.4 or 10.7.1 General/Maintenance releases. Further investigating with below data :
Its a vulnerability reported on the OpenSSL Cryptographic library and it is tracked by bug CVE-2014-0160 (based on RFC6520)
- OpenSSL 1.0.1 through 1.0.1f (inclusive) are vulnerable
- OpenSSL 1.0.1g is NOT vulnerable.
- OpenSSL 1.0.0 branch is NOT vulnerable.
- OpenSSL 0.9.8 branch is NOT vulnerable.
It has been found that appliance with firmware Versions 10.6.4 & 10.7.1 are Vulnerable to such attacks, it is recommended that these appliances need to be applied with respective hotfix to address the issue:
Platform Hotfix for Firmware Version 10.6.4 could be downloaded here.
Platform Hotfix for Firmware Version 10.7.0 could be downloaded here .
Platform Hotfix for Firmware Version 10.7.1 could be downloaded here.
Generic Installation/Rollback instruction Readme.
Note:
- Firmware versions 10.6.3 or earlier are not Vulnerable to such attacks.
- The fix provided needs to be applied to all te devices running with specific version of firmware code.
- The hotfix released only addresses OpenSSL vulnerability. The hotfix need to be applied in addition to existing hotfix.
- Applying of hotfix would reboot the device automatically
Tracking ID: 144477, 144504,144479
