CVE-2018-11796
CVSS V2 Medium 5
CVSS V3 High 7.5
Description
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.
Overview
- CVE ID
- CVE-2018-11796
- Assigner
- security@apache.org
- Vulnerability Status
- Modified
- Published Version
- 2018-10-09T22:29:00
- Last Modified Date
- 2019-09-03T18:15:10
Weakness Enumerations
CPE Configuration (Product)
| CPE | Vulnerable | Operator | Version Start | Version End |
|---|---|---|---|---|
| cpe:2.3:a:apache:tika:*:*:*:*:*:*:*:* | 1 | OR | 0.1 | 1.19 |
CVSS Version 2
- Version
- 2.0
- Vector String
- AV:N/AC:L/Au:N/C:N/I:N/A:P
- Access Vector
- NETWORK
- Access Compatibility
- LOW
- Authentication
- NONE
- Confidentiality Impact
- NONE
- Integrity Impact
- NONE
- Availability Impact
- PARTIAL
- Base Score
- 5
- Severity
- MEDIUM
- Exploitability Score
- 10
- Impact Score
- 2.9
CVSS Version 3
- Version
- 3.0
- Vector String
- CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- Attack Vector
- NETWORK
- Attack Compatibility
- LOW
- Privileges Required
- NONE
- User Interaction
- NONE
- Scope
- UNCHANGED
- Confidentiality Impact
- NONE
- Availability Impact
- HIGH
- Base Score
- 7.5
- Base Severity
- HIGH
- Exploitability Score
- 3.9
- Impact Score
- 3.6
References
| Reference URL | Reference Tags |
|---|---|
| https://lists.apache.org/thread.html/88de8350cda9b184888ec294c813c5bd8a2081de8fd3666f8904bc05@%3Cdev.tika.apache.org%3E | Mailing List Vendor Advisory |
| http://www.securityfocus.com/bid/105585 | Third Party Advisory VDB Entry |
| https://security.netapp.com/advisory/ntap-20190903-0002/ | |
| https://access.redhat.com/errata/RHSA-2019:3892 |
Sources
| Source Name | Source URL |
|---|---|
| NIST | https://nvd.nist.gov/vuln/detail/CVE-2018-11796 |
| MITRE | https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-11796 |
History
| Created | Old Value | New Value | Data Type | Notes |
|---|---|---|---|---|
| 2022-05-10 07:47:03 | Added to TrackCVE | |||
| 2022-12-03 13:05:29 | 2018-10-09T22:29Z | 2018-10-09T22:29:00 | CVE Published Date | updated |
| 2022-12-03 13:05:29 | 2019-09-03T18:15:10 | CVE Modified Date | updated | |
| 2022-12-03 13:05:29 | Modified | Vulnerability Status | updated |