CVE-2011-1935
9.8 · CRITICALOverview
CVE-2011-1935 is a critical-severity vulnerability affecting tcpdump libpcap. It was published on October 20, 2017 and has a CVSS 3.1 base score of 9.8 (CRITICAL).
This vulnerability has a CVSS 3.1 base score of 9.8, rated CRITICAL. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.
Technical Description
pcap-linux.c in libpcap 1.1.1 before commit ea9432fabdf4b33cbc76d9437200e028f1c47c93 when snaplen is set may truncate packets, which might allow remote attackers to send arbitrary data while avoiding detection via crafted packets.
Remediation
Check the references section for vendor advisories and patches from tcpdump. Update libpcap to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.
Affected Products
| Vendor | Product | Versions | Status |
|---|---|---|---|
| tcpdump | libpcap | >= 1.1.1, < 1.2.1 | Affected |
References
Frequently Asked Questions
What is CVE-2011-1935?
CVE-2011-1935 is a critical-severity vulnerability affecting tcpdump libpcap. It was published on October 20, 2017 and has a CVSS 3.1 base score of 9.8 (CRITICAL).
How severe is CVE-2011-1935?
This vulnerability has a CVSS 3.1 base score of 9.8, rated CRITICAL. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.
How do I fix or remediate CVE-2011-1935?
Check the references section for vendor advisories and patches from tcpdump. Update libpcap to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.
How can CyberStrike help with CVE-2011-1935?
CyberStrike's AI-powered security agents can automatically detect CVE-2011-1935 across your infrastructure using autonomous pentesting, DAST scanning, and HackBrowser. The platform continuously monitors for known vulnerabilities and provides actionable remediation guidance prioritized by real-world exploitability.
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