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Who should read this

All Struts 2 developers and users

Impact of vulnerability

Possible Remote Code Execution when alwaysSelectFullNamespace is true (either by user or a plugin like Convention Plugin) and then: results are used with no namespace and in same time, its upper package have no or wildcard namespace and similar to results, same possibility when using url tag which doesn’t have value and action set and in same time, its upper package have no or wildcard namespaceIf a production system using Struts 2 was updated to fix a particular historic security issue and was not updated thereafter to fix later documented security issues up to and including S2-057, it is possible that said production system is still vulnerable to the specific vulnerability that was meant to be fixed by a taking measures as explained in the historic security issue bulletin.

Maximum security rating

Medium

Recommendation

Upgrade to Struts 2.3.35 or Struts 2.5.17

Affected Software

Struts 2.0.4 - Struts 2.3.34, Struts 2.5.0 - Struts 2.5.1612

Reporter

Man Yue Mo from the Semmle Security Research teamBen Ronallo from the Black Duck research team within Synopsys

CVE Identifier

CVE-2018-11776

Problem

Struts Security Bulletins contain a listing of affected release versions for given issues, along with a recommended minimum release version to fix this particular issue. Thorough investigations conducted by the reporting entity revealed that in many cases more Struts releases were affected than originally reported and that higher minimum fix versions are required.

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Security BulletinPreviously announced Affected ReleasesUpdated Affected ReleasesMinimum Fix VersionsCVE Identifier
S2-0022.0.0 - 2.0.11

2.0.0 - 2.1.8.1

2.2.1
S2-0032.0.0 - 2.0.11.22.0.0 - 2.1.8.12.2.1

CVE-2008-6504

S2-0042.0.0 - 2.0.11.2

2.0.0 - 2.0.11.2

2.1.0 - 2.1.2

2.0.12

2.1.6

CVE-2008-6505

S2-0082.1.0 - 2.3.1

2.0.0 - 2.2.3

2.0.0 - 2.3.17

2.2.3.1

2.3.18

CVE-2012-0391

CVE-2012-0394

S2-012Struts Showcase App 2.0.0 - 2.3.132.0.0 - 2.3.14.22.3.14.3

CVE-2013-1965

S2-013

2.0.0 - 2.3.13

2.0.0 - 2.3.14.1

2.3.14.2

CVE-2013-1966

S2-020

2.0.0 - 2.3.16

2.0.0 - 2.3.16.12.3.16.2

CVE-2014-0094

S2-0212.0.0 - 2.3.16.1

2.0.0 - 2.3.16.3

2.3.20

CVE-2014-0112

CVE-2014-0113

S2-0222.0.0 - 2.3.16.12.0.0 - 2.3.16.32.3.20

CVE-2014-0116

S2-041

2.3.20 - 2.3.28.1

2.5

2.3.20 - 2.3.28.1

2.5 - 2.5.12

2.3.29

2.5.13

CVE-2016-4465

S2-042

2.3.20 - 2.3.30

2.3.1-2.3.30

2.5 - 2.5.2

2.3.31

2.5.5

CVE-2016-6795

S2-044

2.5 - 2.5.5

2.5 - 2.5.122.5.13

CVE-2016-8738

S2-048Struts Showcase App 2.3.x

2.1.x - 2.3.x

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CVE-2017-9791

S2-051

2.3.7 - 2.3.33

2.5 - 2.5.12

2.1.6 - 2.3.33

2.5 - 2.5.12

2.3.34

2.5.13

CVE-2017-9793

S2-053

2.0.1-2.3.33

2.5-2.5.10

2.0.0-2.3.33

2.5-2.5.10.1

2.3.34

2.5.12

CVE-2017-12611

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Note

This is a temporal weak workaround. Please upgrade to Apache Struts version While the individual listed bulletins contain updated minimum fix versions, it is strongly recommended to update to the version recommended by the latest Security Bulletin, which is at least S2-057 by the time of this announcement. Following this advice, the recommended minimum Struts versions to operate in production are Struts 2.3.35 or Struts 2.5.17 ASAP because they also contain critical overall proactive security improvements

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