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Test ID:
Category:Debian Local Security Checks
Title:Debian LTS: Security Advisory for sympa (DLA-2441-1)
Summary:The remote host is missing an update for the 'sympa'; package(s) announced via the DLA-2441-1 advisory.
The remote host is missing an update for the 'sympa'
package(s) announced via the DLA-2441-1 advisory.

Vulnerability Insight:
A privilege escalation was discovered in Sympa, a modern mailing list
manager. It is fixed when Sympa is used in conjunction with common
MTAs (such as Exim or Postfix) by disabling a setuid executable,
although no fix is currently available for all environments (such as
sendmail). Additionally, an open-redirect vulnerability was
discovered and fixed.


Sympa allows a local privilege escalation from the sympa user
account to full root access by modifying the sympa.conf
configuration file (which is owned by sympa) and parsing it
through the setuid sympa_newaliases-wrapper executable.


Sympa contains a CWE-601: URL Redirection to Untrusted Site ('Open
Redirect') vulnerability in The 'referer' parameter of the
wwsympa.fcgi login action. that can result in Open redirection and
reflected XSS via data URIs.

Affected Software/OS:
'sympa' package(s) on Debian Linux.

For Debian 9 stretch, these problems have been fixed in version

We recommend that you upgrade your sympa packages.

CVSS Score:

CVSS Vector:

Cross-Ref: Common Vulnerability Exposure (CVE) ID: CVE-2018-1000671
Common Vulnerability Exposure (CVE) ID: CVE-2020-26880
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