RCE in Apache Spamassassin
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.
Vulnerability class: Command Injection (OS Command Injection)
Published · last modified .
CVSS v3 metric
CVSS v3 base score 6.7 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.009 (59.5th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 59th percentile — 59.5% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.009 · newest: 0.009 · change: +0.000
Affected products
- Apache Spamassassin — versions Apache SpamAssassin prior to 3.4.3
- Apache Spamassassin
- Debian Linux — versions 8.0, 9.0, 10.0
Weakness classification (CWE)
Public proof-of-concept exploits
References
- lists.apache.org/thread.html/6f89f82a573ea616dce53ec67e52d963618a9f9ac71da5c1ef… (mailing-list)
- lists.apache.org/thread.html/d015dc5b4f24fd6777a85d068502a9c5d58d69d877ed5b0eb9… (mailing-list)
- lists.apache.org/thread.html/2946b38caec47f7f6a79e8e03d2aa723794186e59a7dc6b5e7… (mailing-list)
- www.openwall.com/lists/oss-security/2019/12/12/1 (mailing-list, Mailing List, Third Party Advisory)
- lists.apache.org/thread.html/bc58907171c6585e5875a3ce86066d4956c218911cb74e3156… (mailing-list)
- seclists.org/oss-sec/2019/q4/154 (Mailing List, Third Party Advisory)
- svn.apache.org/repos/asf/spamassassin/branches/3.4/build/announcements/3.4.3.txt (Mailing List, Vendor Advisory)
- bz.apache.org/SpamAssassin/show_bug.cgi (Permissions Required)
- www.debian.org/security/2019/dsa-4584 (vendor-advisory, Third Party Advisory)
- seclists.org/bugtraq/2019/Dec/27 (mailing-list, Mailing List, Third Party Advisory)
Frequently asked questions
- What is CVE-2018-11805?
- CVE-2018-11805 is a medium-severity vulnerability in Apache Spamassassin, classified under OS Command Injection. CVSS score: 6.7/10. Published 2019-12-12.
- How severe is CVE-2018-11805?
- Medium severity. CVSS v3 base score is 6.7 out of 10.
- Is CVE-2018-11805 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.