Veracode Vulnerability DatabaseVERACODE:29961Privilege Escalation
7.5 High
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
HIGH
Availability Impact
NONE
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
5 Medium
CVSS2
Access Vector
NETWORK
Access Complexity
LOW
Authentication
NONE
Confidentiality Impact
NONE
Integrity Impact
PARTIAL
Availability Impact
NONE
AV:N/AC:L/Au:N/C:N/I:P/A:N
libnet-netmask-perl is vulnerable to privilege escalation. The vulnerability exists due to extra zero characters at the begining of an IP address string not validated properly giving attackers bypass access control that is based on IP addresses.
| CPE | Name | Operator | Version |
|---|---|---|---|
| libnet-netmask-perl:sid | eq | 1.9104-1 | |
| libnet-netmask-perl:bullseye | eq | 1.9104-1 |
References
blog.urth.org/2021/03/29/security-issues-in-perl-ip-address-distros/
lists.fedoraproject.org/archives/list/[email protected]/message/CBJVLXJSWN6DKSF5ADUEERI6M23R3GGP/
lists.fedoraproject.org/archives/list/[email protected]/message/JF4CYIZELC3NISB3RMV4OCI4GYBC557B/
lists.fedoraproject.org/archives/list/[email protected]/message/Y7JIPQAY5OZ5D3DA7INQILU7SGHTHMWB/
metacpan.org/changes/distribution/Net-Netmask#L11-22
security-tracker.debian.org/tracker/CVE-2021-29424
security.netapp.com/advisory/ntap-20210604-0007/
Related
7.5 High
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
HIGH
Availability Impact
NONE
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
5 Medium
CVSS2
Access Vector
NETWORK
Access Complexity
LOW
Authentication
NONE
Confidentiality Impact
NONE
Integrity Impact
PARTIAL
Availability Impact
NONE
AV:N/AC:L/Au:N/C:N/I:P/A:N