CVE-2018-11781
Apache SpamAssassin 3.4.2 fixes a local user code injection in the meta rule syntax.
Apache SpamAssassin 3.4.2 fixes a local user code injection in the meta rule syntax.
Attack profile
How easy it is to exploit
- Attack vector
- Local
- Complexity
- Low
- Privileges needed
- Low
- User interaction
- None
What an attacker can affect
- Confidentiality
- High
- Integrity
- High
- Availability
- High
Exploit likelihood
What each source reports
NVD Score used
7.8
Apache SpamAssassin 3.4.2 fixes a local user code injection in the meta rule syntax.
- Record
CVE-2018-11781- CVSS 3.0
- 7.8 High
CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H - CVSS 2.0
- 4.6 Medium
AV:L/AC:L/Au:N/C:P/I:P/A:P - Weakness
- CWE-94
- Updated
- 2026-11-02
CVE List No score
Apache SpamAssassin 3.4.2 fixes a local user code injection in the meta rule syntax.
- Record
CVE-2018-11781- Updated
- 2026-11-02
EUVDEUVD-2018-3784 No score
Apache SpamAssassin 3.4.2 fixes a local user code injection in the meta rule syntax.
- Record
EUVD-2018-3784- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-qvvf-537j-pvg4
7.8
Apache SpamAssassin 3.4.2 fixes a local user code injection in the meta rule syntax.
Apache SpamAssassin 3.4.2 fixes a local user code injection in the meta rule syntax.
- Record
GHSA-qvvf-537j-pvg4- CVSS 3.0
- 7.8 High
CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H - Weakness
- CWE-94
- Updated
- 2026-11-02
OSVALPINE-CVE-2018-11781
7.8
Apache SpamAssassin 3.4.2 fixes a local user code injection in the meta rule syntax.
- Record
ALPINE-CVE-2018-11781- CVSS 3.0
- 7.8 High
CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H - Updated
- 2026-11-02
OSV
7.8
Apache SpamAssassin 3.4.2 fixes a local user code injection in the meta rule syntax.
- Record
CVE-2018-11781- CVSS 3.0
- 7.8 High
CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H - Updated
- 2026-11-02
Show 8 moreShow less
OSVDEBIAN-CVE-2018-11781
7.8
Apache SpamAssassin 3.4.2 fixes a local user code injection in the meta rule syntax.
- Record
DEBIAN-CVE-2018-11781- CVSS 3.0
- 7.8 High
CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H - Updated
- 2026-11-02
OSVRHSA-2018:2916
8.4
Red Hat Security Advisory: spamassassin security update
- Record
RHSA-2018:2916- CVSS 3.0
- 8.4 High
CVSS:3.0/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H - Updated
- 2026-11-02
OSVUBUNTU-CVE-2018-11781
7.8
Apache SpamAssassin 3.4.2 fixes a local user code injection in the meta rule syntax.
- Record
UBUNTU-CVE-2018-11781- CVSS 3.0
- 7.8 High
CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H - Updated
- 2026-11-02
OSVMGASA-2018-0425 No score
Updated spamassassin packages fix security vulnerabilities
Updated spamassassin package fixes security vulnerabilities:
A reliance on "." in @INC in one configuration script (CVE-2016-1238).
A denial of service vulnerability arises with certain unclosed tags in emails that cause markup to be handled incorrectly leading to scan timeouts (CVE-2017-15705).
A potential Remote Code Execution bug with the PDFInfo plugin (CVE-2018-11780).
A local user code injection in the meta rule syntax (CVE-2018-11781).
- Record
MGASA-2018-0425- Updated
- 2026-11-02
OSVopenSUSE-SU-2019:1831-1 No score
Security update for spamassassin
This update for spamassassin to version 3.4.2 fixes the following issues:
Security issues fixed:
- CVE-2018-11781: Fixed an issue where a local user could inject code in the meta rule syntax (bsc#1108748).
- CVE-2018-11780: Fixed a potential remote code execution vulnerability in the PDFInfo plugin (bsc#1108750).
- CVE-2017-15705: Fixed a denial of service through unclosed tags in crafted emails (bsc#1108745).
- CVE-2016-1238: Fixed an issue where perl would load modules from the current directory (bsc#1108749).
Non-security issues fixed:
- Use systemd timers instead of cron (bsc#1115411)
- Fixed incompatibility with Net::DNS >= 1.01 (bsc#1107765)
- Fixed warning about deprecated regex during sa-update (bsc#1069831)
This update was imported from the SUSE:SLE-15:Update update project.
- Record
openSUSE-SU-2019:1831-1- Updated
- 2026-11-02
OSVSUSE-SU-2019:1961-1 No score
Security update for spamassassin
This update for spamassassin to version 3.4.2 fixes the following issues:
Security issues fixed:
- CVE-2017-15705: Fixed denial of service via unclosed tags in crafted emails (bsc#1108745).
- CVE-2018-11781: Fixed a code injection in the meta rule syntax by local users (bsc#1108748).
- CVE-2018-11780: Fixed a potential remote code execution vulnerability in PDFInfo plugin (bsc#1108750).
Non-security issues fixed:
- Added four new plugins (disabled by default): HashBL, ResourceLimits, FromNameSpoof, Phishing
- sa-update script: optional support for SHA-256 / SHA-512 been added for better validation of rules
- GeoIP2 support has been added to RelayCountry and URILocalBL plugins
- Several new or enhanced configuration options
- Record
SUSE-SU-2019:1961-1- Updated
- 2026-11-02
OSVSUSE-SU-2019:2011-1 No score
Security update for spamassassin
This update for spamassassin to version 3.4.2 fixes the following issues:
Security issues fixed:
- CVE-2018-11781: Fixed an issue where a local user could inject code in the meta rule syntax (bsc#1108748).
- CVE-2018-11780: Fixed a potential remote code execution vulnerability in the PDFInfo plugin (bsc#1108750).
- CVE-2017-15705: Fixed a denial of service through unclosed tags in crafted emails (bsc#1108745).
- CVE-2016-1238: Fixed an issue where perl would load modules from the current directory (bsc#1108749).
Non-security issues fixed:
- Use systemd timers instead of cron (bsc#1115411)
- Fixed incompatibility with Net::DNS >= 1.01 (bsc#1107765)
- Fixed warning about deprecated regex during sa-update (bsc#1069831)
- Record
SUSE-SU-2019:2011-1- Updated
- 2026-11-02
OSVUSN-3811-1 No score
spamassassin vulnerabilities
It was discovered that SpamAssassin incorrectly handled certain unclosed tags in emails. A remote attacker could possibly use this issue to cause a denial of service. (CVE-2017-15705)
It was discovered that SpamAssassin incorrectly handled the PDFInfo plugin. A remote attacker could possibly use this issue to execute arbitrary code. (CVE-2018-11780)
It was discovered that SpamAssassin incorrectly handled meta rule syntax. A local attacker could possibly use this issue to execute arbitrary code. (CVE-2018-11781)
- Record
USN-3811-1- Updated
- 2026-11-02
Affected products
Affected packages
| Package | Affected | Fixed |
|---|---|---|
spamassassinAlpine:v3.10 |
before 3.4.2-r0 | 3.4.2-r0 |
spamassassinAlpine:v3.11 |
before 3.4.2-r0 | 3.4.2-r0 |
spamassassinAlpine:v3.12 |
before 3.4.2-r0 | 3.4.2-r0 |
spamassassinAlpine:v3.13 |
before 3.4.2-r0 | 3.4.2-r0 |
spamassassinAlpine:v3.14 |
before 3.4.2-r0 | 3.4.2-r0 |
spamassassinAlpine:v3.15 |
before 3.4.2-r0 | 3.4.2-r0 |
spamassassinAlpine:v3.16 |
before 3.4.2-r0 | 3.4.2-r0 |
spamassassinAlpine:v3.17 |
before 3.4.2-r0 | 3.4.2-r0 |
spamassassinAlpine:v3.18 |
before 3.4.2-r0 | 3.4.2-r0 |
spamassassinAlpine:v3.19 |
before 3.4.2-r0 | 3.4.2-r0 |
Show 31 moreShow less
| Package | Affected | Fixed |
|---|---|---|
spamassassinAlpine:v3.20 |
before 3.4.2-r0 | 3.4.2-r0 |
spamassassinAlpine:v3.21 |
before 3.4.2-r0 | 3.4.2-r0 |
spamassassinAlpine:v3.22 |
before 3.4.2-r0 | 3.4.2-r0 |
spamassassinAlpine:v3.23 |
before 3.4.2-r0 | 3.4.2-r0 |
spamassassinAlpine:v3.24 |
before 3.4.2-r0 | 3.4.2-r0 |
spamassassinAlpine:v3.8 |
before 3.4.3-r0 | 3.4.3-r0 |
spamassassinAlpine:v3.9 |
before 3.4.2-r0 | 3.4.2-r0 |
spamassassinDebian:12 |
before 3.4.2-1 | 3.4.2-1 |
spamassassinDebian:13 |
before 3.4.2-1 | 3.4.2-1 |
spamassassinDebian:14 |
before 3.4.2-1 | 3.4.2-1 |
spamassassinDebian:8 From an advisory covering 4 CVEs |
before 3.4.2-0+deb8u1, plus listed versions 3.4.0-63.4.1-13.4.1-23.4.1-33.4.1-3~bpo8+1 Show 7 moreShow less3.4.1-43.4.1-53.4.1-5.13.4.1-63.4.1-6~bpo8+13.4.1-73.4.1-8 |
3.4.2-0+deb8u1 |
spamassassinMageia:6 From an advisory covering 4 CVEs |
before 3.4.2-1.5.mga6 | 3.4.2-1.5.mga6 |
spamassassin-rulesMageia:6 From an advisory covering 4 CVEs |
before 3.4.2-1.1.mga6 | 3.4.2-1.1.mga6 |
spamassassinRed Hat:enterprise_linux:7::client From an advisory covering 2 CVEs |
before 0:3.4.0-4.el7_5 | 0:3.4.0-4.el7_5 |
spamassassin-debuginfoRed Hat:enterprise_linux:7::client From an advisory covering 2 CVEs |
before 0:3.4.0-4.el7_5 | 0:3.4.0-4.el7_5 |
spamassassinRed Hat:enterprise_linux:7::server From an advisory covering 2 CVEs |
before 0:3.4.0-4.el7_5 | 0:3.4.0-4.el7_5 |
spamassassin-debuginfoRed Hat:enterprise_linux:7::server From an advisory covering 2 CVEs |
before 0:3.4.0-4.el7_5 | 0:3.4.0-4.el7_5 |
spamassassinRed Hat:enterprise_linux:7::workstation From an advisory covering 2 CVEs |
before 0:3.4.0-4.el7_5 | 0:3.4.0-4.el7_5 |
spamassassin-debuginfoRed Hat:enterprise_linux:7::workstation From an advisory covering 2 CVEs |
before 0:3.4.0-4.el7_5 | 0:3.4.0-4.el7_5 |
spamassassinSUSE:Linux Enterprise Desktop 12 SP4 From an advisory covering 4 CVEs |
before 3.4.2-44.3.1 | 3.4.2-44.3.1 |
spamassassinSUSE:Linux Enterprise Server 12 SP4 From an advisory covering 4 CVEs |
before 3.4.2-44.3.1 | 3.4.2-44.3.1 |
spamassassinSUSE:Linux Enterprise Server for SAP Applications 12 SP4 From an advisory covering 4 CVEs |
before 3.4.2-44.3.1 | 3.4.2-44.3.1 |
spamassassinSUSE:Linux Enterprise Module for Basesystem 15 From an advisory covering 4 CVEs |
before 3.4.2-7.4.1 | 3.4.2-7.4.1 |
spamassassinSUSE:Linux Enterprise Module for Development Tools 15 From an advisory covering 4 CVEs |
before 3.4.2-7.4.1 | 3.4.2-7.4.1 |
spamassassinUbuntu:14.04:LTS |
before 3.4.2-0ubuntu0.14.04.1, plus listed versions 3.3.2-6ubuntu23.3.2-8ubuntu13.3.2-8ubuntu23.4.0-13.4.0-1ubuntu13.4.0-1ubuntu23.4.0-1ubuntu2.1 |
3.4.2-0ubuntu0.14.04.1 |
spamassassinUbuntu:16.04:LTS |
before 3.4.2-0ubuntu0.16.04.1, plus listed versions 3.4.1-13.4.1-23.4.1-3 |
3.4.2-0ubuntu0.16.04.1 |
spamassassinUbuntu:18.04:LTS |
before 3.4.2-0ubuntu0.18.04.1, plus listed versions 3.4.1-73.4.1-83.4.1-8build1 |
3.4.2-0ubuntu0.18.04.1 |
spamassassinUbuntu:14.04:LTS From an advisory covering 3 CVEs |
before 3.4.2-0ubuntu0.14.04.1, plus listed versions 3.3.2-6ubuntu23.3.2-8ubuntu13.3.2-8ubuntu23.4.0-13.4.0-1ubuntu13.4.0-1ubuntu23.4.0-1ubuntu2.1 |
3.4.2-0ubuntu0.14.04.1 |
spamassassinUbuntu:16.04:LTS From an advisory covering 3 CVEs |
before 3.4.2-0ubuntu0.16.04.1, plus listed versions 3.4.1-13.4.1-23.4.1-3 |
3.4.2-0ubuntu0.16.04.1 |
spamassassinUbuntu:18.04:LTS From an advisory covering 3 CVEs |
before 3.4.2-0ubuntu0.18.04.1, plus listed versions 3.4.1-73.4.1-83.4.1-8build1 |
3.4.2-0ubuntu0.18.04.1 |
spamassassinopenSUSE:Leap 15.0 From an advisory covering 4 CVEs |
before 3.4.2-lp150.6.3.1 | 3.4.2-lp150.6.3.1 |
History
| Recorded | Changed | Sources |
|---|---|---|
| affected, facts | ||
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD, OSV |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2018-11781 is a high vulnerability (CVSS 7.8) in Apache Spamassassin, published September 17, 2018. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.98%, the 62nd percentile. Fixed in spamassassin 3.4.2-r0.
References
usn.ubuntu.com/3811-3
usn.ubuntu.com/3811-1
security.gentoo.org/glsa/201812-07
lists.apache.org/thread.html/7f6a16bc0fd0fd5e67c7fd95bd655069a2ac7d1f88e42d3c853e601c%40%3Cannounce.apache.org%3E
access.redhat.com/errata/RHSA-2018:2916
lists.debian.org/debian-lts-announce/2018/11/msg00016.html
Show 38 moreShow less
lists.opensuse.org/opensuse-security-announce/2019-08/msg00002.html
nvd.nist.gov/vuln/detail/CVE-2018-11781
lists.apache.org/thread.html/7f6a16bc0fd0fd5e67c7fd95bd655069a2ac7d1f88e42d3c853e601c@%3Cannounce.apache.org%3E
github.com/advisories/GHSA-qvvf-537j-pvg4
security.alpinelinux.org/vuln/CVE-2018-11781
security-tracker.debian.org/tracker/CVE-2018-11781
advisories.mageia.org/MGASA-2018-0425.html
bugs.mageia.org/show_bug.cgi?id=23590
openwall.com/lists/oss-security/2018/09/16/1
access.redhat.com/security/updates/classification
bugzilla.redhat.com/show_bug.cgi?id=1629521
bugzilla.redhat.com/show_bug.cgi?id=1629536
security.access.redhat.com/data/csaf/v2/advisories/2018/rhsa-2018_2916.json
access.redhat.com/security/cve/CVE-2017-15705
cve.org/CVERecord?id=CVE-2017-15705
nvd.nist.gov/vuln/detail/CVE-2017-15705
mail-archives.apache.org/mod_mbox/spamassassin-announce/201809.mbox/raw/%3Cc57c0f41-742c-3c3e-249c-ae2614bf0d7d%40apache.org%3E
access.redhat.com/security/cve/CVE-2018-11781
cve.org/CVERecord?id=CVE-2018-11781
suse.com/support/update/announcement/2019/suse-su-20191961-1
bugzilla.suse.com/1108745
bugzilla.suse.com/1108748
bugzilla.suse.com/1108750
suse.com/security/cve/CVE-2016-1238
suse.com/security/cve/CVE-2017-15705
suse.com/security/cve/CVE-2018-11780
suse.com/security/cve/CVE-2018-11781
suse.com/support/update/announcement/2019/suse-su-20192011-1
bugzilla.suse.com/1069831
bugzilla.suse.com/1107765
bugzilla.suse.com/1108749
bugzilla.suse.com/1115411
ubuntu.com/security/CVE-2018-11781
ubuntu.com/security/notices/USN-3811-1
ubuntu.com/security/notices/USN-3811-3
ubuntu.com/security/CVE-2017-15705
ubuntu.com/security/CVE-2018-11780
lists.opensuse.org/archives/list/[email protected]/thread/XWM23J3YFXDJ4Y2P4EH532AXFSDKVM3Q