CVE-2019-15163 — rpcapd/daemon

rpcapd/daemon.c in libpcap before 1.9.1 allows attackers to cause a denial of service (NULL pointer dereference and daemon crash) if a crypt() call fails.

01What is this vulnerability?

rpcapd/daemon.c in libpcap before 1.9.1 allows attackers to cause a denial of service (NULL pointer dereference and daemon crash) if a crypt() call fails.

02Affected products

Vendor	Product	Versions
n	a / n/a	n/a

03Active exploitation status

Not currently listed on the CISA Known Exploited Vulnerabilities (KEV) catalog. EPSS is the best forward-looking signal — see the EPSS row above.

04Recommended remediation

• Patch to a fixed version listed in the vendor advisory (see references below).
• Mitigate with WAF rules, network egress filters, or feature flags where the patch is not yet available.
• Hunt historical logs for exploitation indicators — see Detection signatures below.

05Technical details

For the full vendor write-up, exploit chains, and reference implementations, see the references list in section 09.

06Detection signatures

Ask SARA in chat to draft a starting detection for this CVE in your stack of choice.

07Related CVEs

No directly-cited follow-up CVEs in the KB record for this advisory. The references list in section 09 carries the vendor cross-references.

08Timeline

• Published: 2019-10-03T18:34:30.000Z
• Last modified: 2024-08-05T00:42:00.735Z

09References

• www.tcpdump.org — https://www.tcpdump.org/public-cve-list.txt
• github.com — https://github.com/the-tcpdump-group/libpcap/blob/libpcap-1.9/CHANGES
• github.com — https://github.com/the-tcpdump-group/libpcap/commit/437b273761adedcbd880f714bfa4…
• lists.fedoraproject.org — https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedorapro…
• lists.fedoraproject.org — https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedorapro…
• lists.fedoraproject.org — https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedorapro…
• support.f5.com — https://support.f5.com/csp/article/K92862401?utm_source=f5support&amp%3Butm_medi…
• support.apple.com — https://support.apple.com/kb/HT210788
• support.apple.com — https://support.apple.com/kb/HT210790
• support.apple.com — https://support.apple.com/kb/HT210785
• support.apple.com — https://support.apple.com/kb/HT210789
• seclists.org — https://seclists.org/bugtraq/2019/Dec/23
• seclists.org — http://seclists.org/fulldisclosure/2019/Dec/26
• www.oracle.com — https://www.oracle.com/security-alerts/cpuapr2020.html