[USN-6352-1] Apache Shiro vulnerabilities

Evan Caville evan.caville at canonical.com
Thu Sep 7 04:01:40 UTC 2023

Ubuntu Security Notice USN-6352-1
September 07, 2023

shiro vulnerabilities

A security issue affects these releases of Ubuntu and its derivatives:

- Ubuntu 20.04 LTS
- Ubuntu 18.04 LTS (Available with Ubuntu Pro)


Several security issues were fixed in Apache Shiro.

Software Description:
- shiro: Powerful and easy-to-use Java security framework


It was discovered that Apache Shiro incorrectly handled certain HTTP
requests. A remote attacker could possibly use this issue to bypass
security restrictions. (CVE-2020-13933, CVE-2020-17510)

Update instructions:

The problem can be corrected by updating your system to the following
package versions:

Ubuntu 20.04 LTS:
   libshiro-java                   1.3.2-4ubuntu0.2

Ubuntu 18.04 LTS (Available with Ubuntu Pro):
   libshiro-java                   1.3.2-3ubuntu0.18.04.1~esm1

In general, a standard system update will make all the necessary changes.

   CVE-2020-13933, CVE-2020-17510

Package Information:

-------------- next part --------------
A non-text attachment was scrubbed...
Name: OpenPGP_signature
Type: application/pgp-signature
Size: 840 bytes
Desc: OpenPGP digital signature
URL: <https://lists.ubuntu.com/archives/ubuntu-security-announce/attachments/20230907/0b0e79b3/attachment.sig>

More information about the ubuntu-security-announce mailing list