#VU22308 Input validation error in libpcap


Published: 2019-10-27

Vulnerability identifier: #VU22308

Vulnerability risk: Low

CVSSv3.1: 4.6 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N/E:U/RL:O/RC:C]

CVE-ID: CVE-2019-15161

CWE-ID: CWE-20

Exploitation vector: Network

Exploit availability: No

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

Vendor: Tcpdump.org

Description

The vulnerability allows a remote attacker to gain access to sensitive information.

The vulnerability exists due to insufficient validation of user-supplied input within the rpcapd/daemon.c in libpcap. A remote attacker can send specially crafted request to the application and gain access to sensitive information.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

libpcap: 1.9.0


External links
http://github.com/the-tcpdump-group/libpcap/blob/libpcap-1.9/CHANGES
http://github.com/the-tcpdump-group/libpcap/commit/617b12c0339db4891d117b661982126c495439ea
http://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/5P5K3DQ4TFSZBDB3XN4CZNJNQ3UIF3D3/
http://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/GBIEKWLNIR62KZ5GA7EDXZS52HU6OE5F/
http://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/UZTIPUWABYUE5KQOLCKAW65AUUSB7QO6/
http://www.tcpdump.org/public-cve-list.txt


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.


Latest bulletins with this vulnerability