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Ubuntu Security Notice USN-5482-1

Ubuntu Security Notice USN-5482-1
Posted Jun 20, 2022
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 5482-1 - It was discovered that SPIP incorrectly validated inputs. An authenticated attacker could possibly use this issue to execute arbitrary code. Charles Fol and Theo Gordyjan discovered that SPIP is vulnerable to cross site scripting. If a user were tricked into browsing a malicious SVG file, an attacker could possibly exploit this issue to execute arbitrary code. This issue was only fixed in Ubuntu 21.10.

tags | advisory, arbitrary, xss
systems | linux, ubuntu
advisories | CVE-2020-28984, CVE-2021-44120, CVE-2021-44122, CVE-2021-44123
SHA-256 | ec423457adbd941159570ceada40a93cb7cafd6e65d11c01f0d4e43ecb1639b6

Ubuntu Security Notice USN-5482-1

Change Mirror Download
==========================================================================
Ubuntu Security Notice USN-5482-1
June 16, 2022

spip vulnerabilities
==========================================================================

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

- Ubuntu 21.10
- Ubuntu 18.04 LTS

Summary:

Several security issues were fixed in SPIP.

Software Description:
- spip: website engine for publishing

Details:

It was discovered that SPIP incorrectly validated inputs. An authenticated
attacker could possibly use this issue to execute arbitrary code.
(CVE-2020-28984)

Charles Fol and Théo Gordyjan discovered that SPIP is vulnerable to Cross
Site Scripting (XSS). If a user were tricked into browsing a malicious SVG
file, an attacker could possibly exploit this issue to execute arbitrary
code. This issue was only fixed in Ubuntu 21.10. (CVE-2021-44118,
CVE-2021-44120, CVE-2021-44122, CVE-2021-44123)

It was discovered that SPIP incorrectly handled certain forms. A remote
authenticated editor could possibly use this issue to execute arbitrary code,
and a remote unauthenticated attacker could possibly use this issue to obtain
sensitive information. (CVE-2022-26846, CVE-2022-26847)

Update instructions:

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

Ubuntu 21.10:
spip 3.2.11-3+deb11u3build0.21.10.1

Ubuntu 18.04 LTS:
spip 3.1.4-4~deb9u5build0.18.04.1

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

References:
https://ubuntu.com/security/notices/USN-5482-1
CVE-2020-28984, CVE-2021-44118, CVE-2021-44120, CVE-2021-44122,
CVE-2021-44123, CVE-2022-26846, CVE-2022-26847

Package Information:
https://launchpad.net/ubuntu/+source/spip/3.2.11-3+deb11u3build0.21.10.1
https://launchpad.net/ubuntu/+source/spip/3.1.4-4~deb9u5build0.18.04.1
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