SB2019073107 - Ubuntu update for Subversion

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Main Vulnerability Database SB2019073107

SB2019073107 - Ubuntu update for Subversion

Published: July 31, 2019

Security Bulletin ID SB2019073107
Severity
Medium
Patch available
YES
Number of vulnerabilities 2
Exploitation vector Remote access
Highest impact Denial of service

Breakdown by Severity

Medium 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 2 secuirty vulnerabilities.


1) Reachable Assertion (CVE-ID: CVE-2018-11782)

The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to a reachable assertion when handling svnserve 'get-deleted-rev' requests. A remote authenticated attacker with read-only permissions can make the server to reply with incorrect revision number that will lead to svnserve crash.


2) Input validation error (CVE-ID: CVE-2019-0203)

The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to an error when processing a certain sequence of commands within the svnserve process. A remote non-authenticated attacker can send specially crafted commends to the Subversion server and perform a denial of service (DoS) attack.


Remediation

Install update from vendor's website.

References