Upstream information

CVE-2020-6097 at MITRE

Description

An exploitable denial of service vulnerability exists in the atftpd daemon functionality of atftp 0.7.git20120829-3.1+b1. A specially crafted sequence of RRQ-Multicast requests trigger an assert() call resulting in denial-of-service. An attacker can send a sequence of malicious packets to trigger this vulnerability.

SUSE information

Overall state of this security issue: Resolved

This issue is currently rated as having important severity.

CVSS v2 Scores
  National Vulnerability Database
Base Score 5
Vector AV:N/AC:L/Au:N/C:N/I:N/A:P
Access Vector Network
Access Complexity Low
Authentication None
Confidentiality Impact None
Integrity Impact None
Availability Impact Partial
CVSS v3 Scores
  National Vulnerability Database SUSE
Base Score 7.5 7.5
Vector CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Access Vector Network Network
Access Complexity Low Low
Privileges Required None None
User Interaction None None
Scope Unchanged Unchanged
Confidentiality Impact None None
Integrity Impact None None
Availability Impact High High
CVSSv3 Version 3.1 3.1
SUSE Bugzilla entry: 1176437 [NEW]

SUSE Security Advisories:

List of released packages

Product(s) Fixed package version(s) References
openSUSE Leap 15.2
  • atftp >= 0.7.2-lp152.2.3.1
Patchnames:
openSUSE-2020-1736
openSUSE Tumbleweed
  • atftp >= 0.7.5-1.1
Patchnames:
openSUSE Tumbleweed GA atftp-0.7.5-1.1


Status of this issue by product and package

Please note that this evaluation state might be work in progress, incomplete or outdated. Also information for service packs in the LTSS phase is only included for issues meeting the LTSS criteria. If in doubt, feel free to contact us for clarification.

Product(s) Source package State
SUSE Linux Enterprise High Performance Computing 12 SP4 atftp Not affected
SUSE Linux Enterprise High Performance Computing 12 SP5 atftp Not affected
SUSE Linux Enterprise Server 11 SP4 LTSS atftp Not affected
SUSE Linux Enterprise Server 12 SP2 BCL atftp Not affected
SUSE Linux Enterprise Server 12 SP2 LTSS atftp Not affected
SUSE Linux Enterprise Server 12 SP3 BCL atftp Not affected
SUSE Linux Enterprise Server 12 SP3 LTSS atftp Not affected
SUSE Linux Enterprise Server 12 SP4 LTSS atftp Not affected
SUSE Linux Enterprise Server 12 SP5 atftp Not affected
SUSE Linux Enterprise Server for SAP Applications 12 SP2 atftp Not affected
SUSE Linux Enterprise Server for SAP Applications 12 SP3 atftp Not affected
SUSE Linux Enterprise Server for SAP Applications 12 SP4 atftp Not affected
SUSE Linux Enterprise Server for SAP Applications 12 SP5 atftp Not affected