Sandeep Srinath created SOLR-15844:
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Summary: High security vulnerability in Apache Velocity (+2) -
CVE-2020-13936 (+1) bundled with Solr
Key: SOLR-15844
URL: https://issues.apache.org/jira/browse/SOLR-15844
Project: Solr
Issue Type: Bug
Security Level: Public (Default Security Level. Issues are Public)
Reporter: Sandeep Srinath
Latest Version of Solr 8.11 bundles Apache Velocity 2.0 jar that has the
following vulnerabilities:
h1. Vulnerability Details
h2. CVE-2020-13936
*Vulnerability Published:* 2021-03-10 03:15 EST
*Vulnerability Updated:* 2021-09-23 08:21 EDT
*CVSS Score:* {color:#FF0000}8.8{color} (overall), {color:#FF0000}8.8{color}
(base)
{*}Summary{*}: An attacker that is able to modify Velocity templates may
execute arbitrary Java code or run arbitrary system commands with the same
privileges as the account running the Servlet container. This applies to
applications that allow untrusted users to upload/modify velocity templates
running Apache Velocity Engine versions up to 2.2.
{*}Solution{*}: N/A
{*}Workaround{*}: N/A
h2. BDSA-2021-0710
*Vulnerability Published:* 2021-03-22 12:01 EDT
*Vulnerability Updated:* 2021-11-08 09:16 EST
*CVSS Score:* {color:#FF0000}7.9{color} (overall), {color:#FF0000}8.8{color}
(base)
{*}Summary{*}: Apache Velocity is vulnerable to remote code execution (RCE) and
arbitrary command execution due to how the SecureUberspector functionality does
not sufficiently prevent access to dangerous classes and packages.
An attacker with the ability to modify Velocity templates could use this issue
to execute arbitrary Java code or system commands with the privileges of the
account running the Servlet container.
{*}Solution{*}: Fixed in
[*2.3-rc1*|https://github.com/apache/velocity-engine/releases/tag/2.3-RC1] by
[this|https://github.com/apache/velocity-engine/commit/f355cec739d4e705e541a149ff2d8806ed565401]
commit.
The latest stable releases are available
[here|https://velocity.apache.org/download.cgi].
{*}Workaround{*}: N/A
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