6.5

CVE-2019-20892

Exploit

net-snmp before 5.8.1.pre1 has a double free in usm_free_usmStateReference in snmplib/snmpusm.c via an SNMPv3 GetBulk request. NOTE: this affects net-snmp packages shipped to end users by multiple Linux distributions, but might not affect an upstream release.

Daten sind bereitgestellt durch National Vulnerability Database (NVD)
Net-snmp ≫ Net-snmp Version <= 5.8
Zu dieser CVE wurde keine CISA KEV oder CERT.AT-Warnung gefunden.
EPSS Metriken
Typ Quelle Score Percentile
EPSS FIRST.org 0.54% 0.665
CVSS Metriken
Quelle Base Score Exploit Score Impact Score Vector String
nvd@nist.gov 6.5 2.8 3.6
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
nvd@nist.gov 4 8 2.9
AV:N/AC:L/Au:S/C:N/I:N/A:P
CWE-415 Double Free

The product calls free() twice on the same memory address, potentially leading to modification of unexpected memory locations.

http://www.openwall.com/lists/oss-security/2020/06/25/4
Third Party Advisory
Exploit
Mailing List
https://bugs.launchpad.net/ubuntu/+source/net-snmp/+bug/1877027
Third Party Advisory
Exploit
Issue Tracking
https://bugzilla.redhat.com/show_bug.cgi?id=1663027
Third Party Advisory
Exploit
Issue Tracking
https://sourceforge.net/p/net-snmp/bugs/2923/
Third Party Advisory
Exploit
https://usn.ubuntu.com/4410-1/
Third Party Advisory