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Fencer Vulns
high 7.8

CVE-2017-10140 json

Postfix before 2.11.10, 3.0.x before 3.0.10, 3.1.x before 3.1.6, and 3.2.x before 3.2.2 might allow local users to gain privileges by lever…

published 2018-04-16 8 y ago modified 2026-06-17 4 mo ago also EUVD-2017-1787

cvss
7.8
version 3.0, NVD
cisa kev
Not listed
not in CISA's catalog
epss
0.5%
EPSS 0.5% chance of exploitation in 30 days, percentile 46%
public exploits
0
none known

Summary

Postfix before 2.11.10, 3.0.x before 3.0.10, 3.1.x before 3.1.6, and 3.2.x before 3.2.2 might allow local users to gain privileges by leveraging undocumented functionality in Berkeley DB 2.x and later, related to reading settings from DB_CONFIG in the current directory.

Patch / fix

  • postfix postfix 2.11.10, 3.0.10, 3.1.6, 3.2.2
  • db5.3 Debian 14, Debian 13, Debian 12 5.3.28-13.1

debian advisories DEBIAN-CVE-2017-10140

  • db5.3 Ubuntu 14.04 LTS 5.3.28-3ubuntu3.1
  • db5.3 Ubuntu 16.04 LTS 5.3.28-11ubuntu0.1
  • db5.3 Ubuntu 18.04 LTS 5.3.28-13.1

ubuntu advisories UBUNTU-CVE-2017-10140

Ubuntu security data © Canonical Ltd., from https://github.com/canonical/ubuntu-security-notices via OSV; changed: normalised to fixed package versions per release. CC BY-SA 4.0

  • exim Arch Linux 4.89.1-1

arch linux advisories AVG-518

Vendor advisories

What the vendors themselves say about their products: affected, fixed or not affected, and what to do.

red hat product security vex CVE-2017-10140 updated cvss 4.5

libdb: Reads DB_CONFIG from the current working directory

  • Red Hat Enterprise Linux 5 db4, postfix Red Hat Enterprise Linux 6 db4, db4-cxx, db4-tcl, postfix, db4-java, db4-utils, +1 more Red Hat Enterprise Linux 7 libdb, postfix, libdb-cxx, libdb-sql, libdb-tcl, libdb-java, +3 more Red Hat JBoss Enterprise Application Platform 5 httpd Red Hat JBoss Enterprise Web Server 1 db4 Red Hat JBoss Enterprise Web Server 2 db4
    +1 more products
    Red Hat JBoss Enterprise Web Server 3 db4
    affected: workaround, no fix planned “Do not use an application using libdb if an untrusted user can create a DB_CONFIG file in its working directory.”
  • Red Hat Directory Server 8 db4
    under investigation
  • Red Hat JBoss Core Services
    fixed: vendor fix “Do not use an application using libdb if an untrusted user can create a DB_CONFIG file in its working directory.” RHSA-2019:0366
  • Red Hat Enterprise Linux 8 libdb, postfix, libdb-cxx, libdb-sql, libdb-utils, postfix-cdb, +6 more Red Hat JBoss Enterprise Application Platform 6 httpd, mod_ssl, mod_ldap, httpd-tools, httpd-manual Red Hat JBoss Web Server 3 db4 Red Hat Satellite 6 libdb-cxx
    not affected: vulnerable code not present

Red Hat CSAF VEX © Red Hat, Inc., from https://security.access.redhat.com/data/csaf/v2/vex/; changed: reduced to product statuses and remediations. CC BY 4.0 · csaf

Exploit prediction

0.55% chance of exploitation in the next 30 days, higher than 46% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

  • seclists.org http://seclists.org/oss-sec/2017/q3/285 referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by version score vector
NVD 3.0 7.8 CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
NVD 2.0 4.6 AV:L/AC:L/Au:N/C:P/I:P/A:P

References

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.