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githubGitHub Advisory DatabaseGHSA-H8Q5-G2CJ-QR5H
HistoryOct 17, 2018 - 3:43 p.m.

Apache Tika is vulnerable to entity expansions which can lead to a denial of service attack

2018-10-1715:43:25
CWE-611
GitHub Advisory Database
github.com
21

CVSS2

5

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

PARTIAL

AV:N/AC:L/Au:N/C:N/I:N/A:P

CVSS3

7.5

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

EPSS

0.012

Percentile

85.6%

JSON

In Apache Tika 1.19 (CVE-2018-11761), we added an entity expansion limit for XML parsing. However, Tika reuses SAXParsers and calls reset() after each parse, which, for Xerces2 parsers, as per the documentation, removes the user-specified SecurityManager and thus removes entity expansion limits after the first parse. Apache Tika versions from 0.1 to 1.19 are therefore still vulnerable to entity expansions which can lead to a denial of service attack. Users should upgrade to 1.19.1 or later.

Affected configurations

Vulners
Node
org.apache.tika\tikaMatchcore
OR
org.apache.tika\tikaMatchcore
VendorProductVersionCPE
org.apache.tika\tikacorecpe:2.3:a:org.apache.tika\:tika:core:*:*:*:*:*:*:*:*

Related

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ubuntucve 2
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redhatcve 2
nvd 2
ibm 4
veracode 2
github 1
redhat 1
oracle 1
osv
osv
CVE-2018-11796
2018-10-09 22:29:00
Apache Tika is vulnerable to entity expansions which can lead to a denial of service attack
2018-10-17 15:43:25
CVE-2018-11761
2018-09-19 14:29:00
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Apache Tika Server XML Entity Expansion Denial of Service Vulnerability
2018-09-27 00:00:00
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Code injection
2018-10-09 22:29:00
Design/Logic Flaw
2018-09-19 14:29:00
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CVE-2018-11761
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CVE-2018-11761
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CVE-2018-11761
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nvd
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2018-10-09 22:29:00
CVE-2018-11761
2018-09-19 14:29:00
ibm
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Security Bulletin: IBM QRadar Incident Forensics is vulnerable to publicly disclosed vulnerabilities from Apache Tika (CVE-2018-11761, CVE-2018-11762, CVE-2018-8017,  CVE-2018-11796)
2019-07-10 15:05:01
Security Bulletin: Multiple vulnerabilities in Apache Tika affects Apache Solr shipped with IBM Operations Analytics - Log Analysis
2021-04-16 05:44:27
Security Bulletin: IBM Planning Analytics Workspace is affected by security vulnerabilities
2022-01-11 21:02:17
veracode
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Denial Of Service (DoS)
2018-10-10 03:04:13
Denial Of Service (DoS)
2018-09-20 02:46:37
github
github
High severity vulnerability that affects org.apache.tika:tika-core
2018-10-17 15:49:36
redhat
redhat
(RHSA-2019:3892) Important: Red Hat Fuse 7.5.0 security update
2019-11-14 21:15:16
oracle
oracle
Oracle Critical Patch Update Advisory - April 2019
2019-04-16 00:00:00

CVSS2

5

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

PARTIAL

AV:N/AC:L/Au:N/C:N/I:N/A:P

CVSS3

7.5

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

EPSS

0.012

Percentile

85.6%

JSON
Related for GHSA-H8Q5-G2CJ-QR5H
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