#VU22311 Server-Side Request Forgery (SSRF) in libpcap - CVE-2019-15164

Vulnerability identifier: #VU22311

Vulnerability risk: Low

CVSSv4.0: 0.5 [CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:A/VC:L/VI:N/VA:N/SC:L/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2019-15164

CWE-ID: CWE-918

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
libpcap
Universal components / Libraries / Libraries used by multiple products

Vendor: Tcpdump.org

Description

The disclosed vulnerability allows a remote attacker to perform SSRF attacks.

The vulnerability exists due to insufficient validation of user-supplied input within the rpcapd/daemon.c in libpcap when processing URL as a capture source. A remote attacker can trick the victim to use a specially crafted URL to extract information.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

libpcap: 1.9.0

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External links
https://github.com/the-tcpdump-group/libpcap/blob/libpcap-1.9/CHANGES
https://github.com/the-tcpdump-group/libpcap/commit/33834cb2a4d035b52aa2a26742f832a112e90a0a
https://www.tcpdump.org/public-cve-list.txt

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Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.