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AUSCERT External Security Bulletin Redistribution
ESB-2022.2593
USN-5445-1: Subversion vulnerabilities
27 May 2022
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AusCERT Security Bulletin Summary
---------------------------------
Product: Subversion
Publisher: Ubuntu
Operating System: Ubuntu
Resolution: Patch/Upgrade
CVE Names: CVE-2020-17525 CVE-2019-0203 CVE-2018-11782
Original Bulletin:
https://ubuntu.com/security/notices/USN-5445-1
Comment: CVSS (Max): 7.5 CVE-2020-17525 (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H)
CVSS Source: NVD
Calculator: https://www.first.org/cvss/calculator/3.1#CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
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USN-5445-1: Subversion vulnerabilities
26 May 2022
Several security issues were fixed in subversion.
Releases
o Ubuntu 20.04 LTS
o Ubuntu 18.04 LTS
Packages
o subversion - Advanced version control system
Details
Ace Olszowka discovered that Subversion incorrectly handled certain
svnserve requests. A remote attacker could possibly use this issue to cause
svnserver to crash, resulting in a denial of service. This issue only
affected Ubuntu 18.04 LTS. ( CVE-2018-11782 )
Tomas Bortoli discovered that Subversion incorrectly handled certain
svnserve requests. A remote attacker could possibly use this issue to cause
svnserver to crash, resulting in a denial of service. This issue only
affected Ubuntu 18.04 LTS. ( CVE-2019-0203 )
Thomas Akesson discovered that Subversion incorrectly handled certain
inputs. An attacker could possibly use this issue to cause a denial of
service. ( CVE-2020-17525 )
Update instructions
The problem can be corrected by updating your system to the following package
versions:
Ubuntu 20.04
o libapache2-mod-svn - 1.13.0-3ubuntu0.2
o libsvn1 - 1.13.0-3ubuntu0.2
o subversion - 1.13.0-3ubuntu0.2
Ubuntu 18.04
o libapache2-mod-svn - 1.9.7-4ubuntu1.1
o libsvn1 - 1.9.7-4ubuntu1.1
o subversion - 1.9.7-4ubuntu1.1
In general, a standard system update will make all the necessary changes.
References
o CVE-2020-17525
o CVE-2019-0203
o CVE-2018-11782
Related notices
o USN-5322-1 : subversion, libsvn-ruby1.8, libsvn-java, ruby-svn,
python-subversion, libsvn-dev, libsvn1, libapache2-mod-svn,
subversion-tools, libsvn-perl, libsvn-doc, libapache2-svn
o USN-4082-2 : libsvn1, subversion
o USN-4082-1 : subversion, libsvn-ruby1.8, libsvn-java, ruby-svn,
python-subversion, libsvn-dev, libsvn1, libapache2-mod-svn,
subversion-tools, libsvn-perl, libsvn-doc, libapache2-svn
o USN-4838-1 : subversion, libsvn-java, ruby-svn, libsvn-dev, libsvn1,
libapache2-mod-svn, subversion-tools, libsvn-perl, libsvn-doc,
python-subversion
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