CVE-2019-15163

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.

Weakness

A NULL pointer dereference occurs when the application dereferences a pointer that it expects to be valid, but is NULL, typically causing a crash or exit.

Affected Software

Potential Mitigations

References

• http://seclists.org/fulldisclosure/2019/Dec/26
• https://github.com/the-tcpdump-group/libpcap/blob/libpcap-1.9/CHANGES
• https://github.com/the-tcpdump-group/libpcap/commit/437b273761adedcbd880f714bfa44afeec186a31
• https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/5P5K3DQ4TFSZBDB3XN4CZNJNQ3UIF3D3/
• https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/GBIEKWLNIR62KZ5GA7EDXZS52HU6OE5F/
• https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/UZTIPUWABYUE5KQOLCKAW65AUUSB7QO6/
• https://seclists.org/bugtraq/2019/Dec/23
• https://support.apple.com/kb/HT210785
• https://support.apple.com/kb/HT210788
• https://support.apple.com/kb/HT210789
• https://support.apple.com/kb/HT210790
• https://support.f5.com/csp/article/K92862401?utm_source=f5support\u0026amp%3Butm_medium=RSS
• https://www.oracle.com/security-alerts/cpuapr2020.html
• https://www.tcpdump.org/public-cve-list.txt