CVE-2023-6548: Citrix NetScaler ADC and NetScaler Gateway Code Injection Vulnerability
First published: Wed Jan 17 2024(Updated: )
Citrix NetScaler ADC and NetScaler Gateway contain a code injection vulnerability that allows for authenticated remote code execution on the management interface with access to NSIP, CLIP, or SNIP.
Credit: secure@citrix.com secure@citrix.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Citrix NetScaler | ||
| Google Chrome | ||
| Citrix NetScaler Application Delivery Controller | >=12.1<12.1-55.302 | |
| Citrix NetScaler Application Delivery Controller | >=12.1<12.1-55.302 | |
| Citrix NetScaler Application Delivery Controller | >=13.0<13.0-92.21 | |
| Citrix NetScaler Application Delivery Controller | >=13.1<13.1-37.176 | |
| Citrix NetScaler Application Delivery Controller | >=13.1<13.1-51.15 | |
| Citrix NetScaler Application Delivery Controller | >=14.1<14.1-12.35 | |
| Citrix NetScaler Gateway | >=13.0<13.0-92.21 | |
| Citrix NetScaler Gateway | >=13.1<13.1-51.15 | |
| Citrix NetScaler Gateway | >=14.1<14.1-12.35 | |
Remedy
Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.
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Reference Links
- https://www.theregister.com/2024/01/18/citrix_netscaler_bugs_attacked/
- https://www.bleepingcomputer.com/news/security/citrix-warns-of-new-netscaler-zero-days-exploited-in-attacks/
- https://www.bleepingcomputer.com/news/security/cisa-pushes-federal-agencies-to-patch-citrix-rce-within-a-week/
- https://support.citrix.com/article/CTX584986/netscaler-adc-and-netscaler-gateway-security-bulletin-for-cve20236548-and-cve20236549
- https://www.bleepingcomputer.com/news/security/citrix-warns-admins-to-manually-mitigate-putty-ssh-client-bug/
- https://support.citrix.com/article/CTX584986/netscaler-adc-and-netscaler-gateway-security-bulletin-for-cve20236548-and-cve20236549;
- https://nvd.nist.gov/vuln/detail/CVE-2023-6548
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