Input validation error in Subversion - CVE-2019-0203

Vulnerability identifier: #VU19590

CSH Severity: Medium

CVSS v4: 8.7 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N]

CVE-ID: CVE-2019-0203

CWE-ID: CWE-20

Exploitation vector: Remote access

Exploit availability: No public exploit available

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.

Subversion
CENTUM VP
B/M9000 VP
Arch Linux
Amazon Linux AMI
Red Hat Enterprise Linux for x86_64
Opensuse
Ubuntu
Fedora
ProSafe-RS
CENTUM VP Entry Class
subversion (Debian package)
subversion (Alpine package)
subversion (Ubuntu package)
libapache2-mod-svn (Ubuntu package)
libsvn1 (Ubuntu package)
subversion
cflinuxfs3
Isolation Segment
VMware Tanzu Application Service for VMs

Install updates from vendor's website.

Subversion - addressed in versions 1.9.11, 1.10.5, 1.12.1
CENTUM VP - update to R6.08.00
ProSafe-RS - update to R4.06.00
CENTUM VP Entry Class - update to R6.08.00
subversion (Debian package) - addressed in versions 1.9.5-1+deb9u4, 1.10.4-1+deb10u1
subversion (Alpine package) - update to 1.9.12-r0
subversion (Ubuntu package) - addressed in versions 1.9.3-2ubuntu1.3, 1.9.7-4ubuntu1.1, 1.13.0-3ubuntu0.2
cflinuxfs3 - update to 0.300.0
libapache2-mod-svn (Ubuntu package) - addressed in versions 1.9.7-4ubuntu1.1, 1.13.0-3ubuntu0.2
libsvn1 (Ubuntu package) - addressed in versions 1.9.7-4ubuntu1.1, 1.13.0-3ubuntu0.2
subversion - update to 1.12.2-1.fc30
Isolation Segment - addressed in versions 2.7.45, 2.10.25, 2.11.14, 2.12.10
VMware Tanzu Application Service for VMs - addressed in versions 2.7.50, 2.10.32, 2.11.20, 2.12.15, 2.13.5

• https://subversion.apache.org/security/CVE-2019-0203-advisory.txt

• Remote DoS in Apache Subversion
• Ubuntu update for Subversion
• Debian update for subversion
• OpenSUSE Linux update for subversion
• Red Hat update for subversion:1.10
• Arch Linux update for subversion
• Amazon Linux AMI update for subversion
• Input validation error in subversion (Alpine package)
• Multiple vulnerabilities in Yokogawa CENTUM, ProSafe-RS and B/M9000 VP
• Ubuntu update for subversion
• Multiple vulnerabilities in Cloud Foundry Foundation cflinuxfs3
• VMware Tanzu products update for Subversion
• Fedora 30 update for subversion