CVE-2019-20797 Information

Description

An issue was discovered in e6y prboom-plus 2.5.1.5. There is a buffer overflow in client and server code responsible for handling received UDP packets as demonstrated by I_SendPacket or I_SendPacketTo in i_network.c.

CVSS Vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Reference

http://lists.opensuse.org/opensuse-security-announce/2020-06/msg00027.html http://lists.opensuse.org/opensuse-security-announce/2020-06/msg00028.html https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/77J22ZEQXS5SAYZGBDJ475AKFFJNKX5L/ https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/P3WS7GRZUIHCGLFET33MGC3PEKCH37W6/ https://logicaltrust.net/blog/2019/10/prboom1.html https://sourceforge.net/p/prboom-plus/bugs/252/ https://sourceforge.net/p/prboom-plus/bugs/253/

Attack Complexity

LOW

Privileges Required

NONE

User Interaction Required

NONE

Scope

NONE

Confidentiality Impact

UNCHANGED

Integrity Impact

NONE

Availability Impact

NONE

Base Score

HIGH

Base Severity

7.5