CVE-2018-11689: Web Viewer for Hanwha DVR 2.17 and Smart Viewer in Samsung Web Viewer for Samsung DVR are vulnerable to XSS vi
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MEDIUM 6.1MITIGATEUPGRADEUPGRADE
CVE-2018-11689 is a medium-severity flaw (CVSS 6.1) affecting smartviewer, hrd-1642 firmware, hrd-842 firmware. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.
Web Viewer for Hanwha DVR 2.17 and Smart Viewer in Samsung Web Viewer for Samsung DVR are vulnerable to XSS via the /cgi-bin/webviewer_login_page data3 parameter. (The same Web Viewer codebase was transitioned from Samsung to Hanwha.)
Apply the vendor mitigation from the advisory, disable the affected feature, or restrict network access.
hanwha-security hrd-1642 firmware UPGRADE
Affected: <= 1.16
Fixed in: newer than 1.16
Safe to downgrade to: no unaffected older release
Check your OS release
cat /etc/os-release; uname -r
Debian / Ubuntu
sudo apt update && sudo apt full-upgrade
RHEL / Amazon Linux / Fedora
sudo dnf upgrade --refresh
Windows
Install the latest cumulative update from Windows Update
If no patch exists yet
OS downgrades are not safe. Apply the vendor mitigation from the advisory and restrict exposure.
hanwha-security hrd-842 firmware UPGRADE
Affected: <= 1.16
Fixed in: newer than 1.16
Safe to downgrade to: no unaffected older release
Check your OS release
cat /etc/os-release; uname -r
Debian / Ubuntu
sudo apt update && sudo apt full-upgrade
RHEL / Amazon Linux / Fedora
sudo dnf upgrade --refresh
Windows
Install the latest cumulative update from Windows Update
If no patch exists yet
OS downgrades are not safe. Apply the vendor mitigation from the advisory and restrict exposure.
hanwha-security hrd-442 firmware UPGRADE
Affected: <= 1.16
Fixed in: newer than 1.16
Safe to downgrade to: no unaffected older release
Check your OS release
cat /etc/os-release; uname -r
Debian / Ubuntu
sudo apt update && sudo apt full-upgrade
RHEL / Amazon Linux / Fedora
sudo dnf upgrade --refresh
Windows
Install the latest cumulative update from Windows Update
If no patch exists yet
OS downgrades are not safe. Apply the vendor mitigation from the advisory and restrict exposure.
hanwha-security hrd-1641 firmware UPGRADE
Affected: <= 1.14
Fixed in: newer than 1.14
Safe to downgrade to: no unaffected older release
Check your OS release
cat /etc/os-release; uname -r
Debian / Ubuntu
sudo apt update && sudo apt full-upgrade
RHEL / Amazon Linux / Fedora
sudo dnf upgrade --refresh
Windows
Install the latest cumulative update from Windows Update
If no patch exists yet
OS downgrades are not safe. Apply the vendor mitigation from the advisory and restrict exposure.
hanwha-security hrd-841 firmware UPGRADE
Affected: <= 1.14
Fixed in: newer than 1.14
Safe to downgrade to: no unaffected older release
Check your OS release
cat /etc/os-release; uname -r
Debian / Ubuntu
sudo apt update && sudo apt full-upgrade
RHEL / Amazon Linux / Fedora
sudo dnf upgrade --refresh
Windows
Install the latest cumulative update from Windows Update
If no patch exists yet
OS downgrades are not safe. Apply the vendor mitigation from the advisory and restrict exposure.
Verify at the official sourceNVD · CVE Program · Report a problem with this page Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.
Quick answers
How do I fix CVE-2018-11689?
smartviewer: mitigate or apply the listed mitigation; hrd-1642 firmware: upgrade to newer than 1.16; hrd-842 firmware: upgrade to newer than 1.16. Exact commands for each OS are on this page.
Is CVE-2018-11689 being exploited?
CVE-2018-11689 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.
What does CVE-2018-11689 affect?
CVE-2018-11689 affects smartviewer, hrd-1642 firmware, hrd-842 firmware. Severity is medium (CVSS 6.1). Web Viewer for Hanwha DVR 2.17 and Smart Viewer in Samsung Web Viewer for Samsung DVR are vulnerable to XSS via the /cgi-bin/webviewer_login_page data3 parameter. (The same Web Viewer codebase was transitioned from Samsung to Hanwha.)
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