Software: Half-Life Affected versions: Latest (<= build 5433873), at the time of writing Vendor page: www.valvesoftware.com CVE Reference: CVE-2023-30382 Published: 23/05/2023 CVSS 3.1 Score: 8.2 AV:L/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:H Attack Vector: Local Credit: Ryan Saridar Summary An attacker can leverage a stack-based buffer overflow via Half-Life’s command line arguments to compromise the account of any local user who launches the game. Technical details hl.exe does not adequately perform...
JUMPSEC LABS
The JUMPSEC Lab is a place where the the technical team get creative and showcase their latest security research, publications, interesting news and general thoughts! We love what we do and are passionate about security, with some great upcoming projects planned, bookmark our site and stick around to see what we are working on.
Butting Heads with a Threat Actor on an Engagement
After compromising a sensitive external server JUMPSEC’s Red Team found that they were not the first ones there…
Advisory CVE-2022-37832 – Mutiny Network Monitoring Appliance hardcoded credentials
Software: Mutiny Network Monitoring Appliance Affected versions: <= 7.2.0-10855 Vendor page: www.mutiny.com CVE Reference: CVE-2022-37832 Published: 16/12/2022 CVSS 3.1 Score: 10.0 AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H Attack Vector: Network Credit: Ryan Saridar Summary An attacker can log in as root remotely to the appliance via SSH. Mitigation Upgrade to version 7.2.0-10855 onwards to remediate the problem. Technical details Before version 7.2.0-10855, the SSH service allows password login...
Advisory CVE-2021-41551 Leostream Connection Broker – Authenticated Zip Slip
Software: Leostream Connection BrokerAffected Versions: 9.0.40.17Vendor page: https://leostream.com/CVE Reference: CVE-2021-41551Published: 25/01/2022Attack Vector: path traversal, authenticatedCredits: Andrei Constantin Scutariu, Lenk Ratchakrit Seriamnuai, Andrea Malusardi Summary Leostream Connection Broker 9.0.40.17 allows administrators to conduct directory traversal attacks by uploading a ZIP file that contains a symbolic link. Mitigation The Leostream has released a patch for this...
Advisory CVE-2021-41550 Leostream Connection Broker – Authenticated Remote Code Execution
Software: Leostream Connection BrokerAffected Versions: 9.0.40.17Vendor page: https://leostream.com/CVE Reference: CVE-2021-41550Published: 25/01/2022Attack Vector: Remote, authenticatedCredits: Andrei Constantin Scutariu, Lenk Ratchakrit Seriamnuai, Andrea Malusardi Summary As the Leostream Connection Broker version: 9.0.40.17 allowed an attacker to upload any content through Third Party Content functionality, it was found that the application allowed the listed filenames below the ability to...
Securing against new offensive techniques abusing active directory certificate service
SpecterOps recently released an offensive security research paper that details techniques enabling an adversary to abuse insecure functionality in Active Directory Certificate Service. SpecterOps reports that abusing the legitimate functionality of Active Directory Certificate Service will allow an adversary to forge the elements of a certificate to authenticate as any user or administrator in Active Directory. JUMPSEC has highlighted numerous changes that can be made to Active Directory...
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