Remote unauthenticated denial-of-service in Subversion mod_authz_svn
CVE-2020-17525

7.5HIGH

Key Information:

Vendor
Apache
Status
Apache Subversion
Vendor
CVE Published:
17 March 2021

Summary

Subversion's mod_authz_svn module will crash if the server is using in-repository authz rules with the AuthzSVNReposRelativeAccessFile option and a client sends a request for a non-existing repository URL. This can lead to disruption for users of the service. This issue was fixed in mod_dav_svn+mod_authz_svn servers 1.14.1 and mod_dav_svn+mod_authz_svn servers 1.10.7

Affected Version(s)

Apache Subversion mod_authz_svn < 1.14.1

Apache Subversion mod_authz_svn 1.10.7

References

https://subversion.apache.org/security/CVE-2020-17525-adv...
x_refsource_MISC
https://lists.debian.org/debian-lts-announce/2021/05/msg0...
mailing-listx_refsource_MLIST

CVSS V3.1

Score:
7.5
Severity:
HIGH
Confidentiality:
None
Integrity:
None
Availability:
None
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

Credit

Thomas Åkesson (simonsoft.se)
.