AXSA:2021-1182:01

Release date: 
Thursday, January 14, 2021 - 09:28
Subject: 
spamassassin-3.4.2-10.el8
Affected Channels: 
Asianux Server 8 for x86_64
Severity: 
Moderate
Description: 

The SpamAssassin tool provides a way to reduce unsolicited commercial email (spam) from incoming email.

Security Fix(es):

* spamassassin: crafted configuration files can run system commands without any output or errors (CVE-2018-11805)

* spamassassin: crafted email message can lead to DoS (CVE-2019-12420)

* spamassassin: command injection via crafted configuration file (CVE-2020-1930)

* spamassassin: command injection via crafted configuration file (CVE-2020-1931)

For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.

CVE-2018-11805
In Apache SpamAssassin before 3.4.3, nefarious CF files can be configured to run system commands without any output or errors. With this, exploits can be injected in a number of scenarios. In addition to upgrading to SA 3.4.3, we recommend that users should only use update channels or 3rd party .cf files from trusted places.
CVE-2019-12420
In Apache SpamAssassin before 3.4.3, a message can be crafted in a way to use excessive resources. Upgrading to SA 3.4.3 as soon as possible is the recommended fix but details will not be shared publicly.
CVE-2020-1930
A command execution issue was found in Apache SpamAssassin prior to 3.4.3. Carefully crafted nefarious rule configuration (.cf) files can be configured to run system commands similar to CVE-2018-11805. With this bug unpatched, exploits can be injected in a number of scenarios including the same privileges as spamd is run which may be elevated though doing so remotely is difficult. In addition to upgrading to SA 3.4.4, we again recommend that users should only use update channels or 3rd party .cf files from trusted places. If you cannot upgrade, do not use 3rd party rulesets, do not use sa-compile and do not run spamd as an account with elevated privileges.
CVE-2020-1931
A command execution issue was found in Apache SpamAssassin prior to 3.4.3. Carefully crafted nefarious Configuration (.cf) files can be configured to run system commands similar to CVE-2018-11805. This issue is less stealthy and attempts to exploit the issue will throw warnings. Thanks to Damian Lukowski at credativ for reporting the issue ethically. With this bug unpatched, exploits can be injected in a number of scenarios though doing so remotely is difficult. In addition to upgrading to SA 3.4.4, we again recommend that users should only use update channels or 3rd party .cf files from trusted places.

Solution: 

Update packages.

Additional Info: 

N/A

Download: 

SRPMS
  1. spamassassin-3.4.2-10.el8.src.rpm
    MD5: 94ba32b0e9124a60483aa9ed0e93a132
    SHA-256: 534cd4b056b8fb5696f8a038e00da325d103cf54fb1602178869b95966d71e8b
    Size: 2.93 MB

Asianux Server 8 for x86_64
  1. spamassassin-3.4.2-10.el8.x86_64.rpm
    MD5: f04a9e1d538cc2138ce7a25895a82c38
    SHA-256: 77184b4979fadb52dbb73d79ed39131cc237aa998288be8e4e4f27c2ea518b10
    Size: 1.20 MB
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