Apache Sling up to 2.3.21 Sling.evalString cross site scripting
![Apache](/logos/apache.jpg)
CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
---|---|---|
5.1 | $0-$5k | 0.00 |
A vulnerability was found in Apache Sling up to 2.3.21. It has been classified as problematic. Affected is the function Sling.evalString
. The manipulation as part of a String leads to a cross site scripting vulnerability. CWE is classifying the issue as CWE-79. The product does not neutralize or incorrectly neutralizes user-controllable input before it is placed in output that is used as a web page that is served to other users. This is going to have an impact on integrity. CVE summarizes:
The Javascript method Sling.evalString() in Apache Sling Servlets Post before 2.3.22 uses the javascript 'eval' function to parse input strings, which allows for XSS attacks by passing specially crafted input strings.
The bug was discovered 08/14/2017. The weakness was presented 08/14/2017 (Website). The advisory is shared for download at lists.apache.org. This vulnerability is traded as CVE-2017-9802 since 06/21/2017. It is possible to launch the attack remotely. The exploitation doesn't require any form of authentication. Successful exploitation requires user interaction by the victim. There are known technical details, but no exploit is available. The MITRE ATT&CK project declares the attack technique as T1059.007.
The commercial vulnerability scanner Qualys is able to test this issue with plugin 11853 (Apache Sling Cross-Site-Scripting Vulnerability).
Upgrading to version 2.3.22 eliminates this vulnerability.
The vulnerability is also documented in the vulnerability database at SecurityFocus (BID 100284†). See VDB-61229, VDB-65313, VDB-65342 and VDB-103762 for similar entries.
Product
Vendor
Name
Version
- 2.3.0
- 2.3.1
- 2.3.2
- 2.3.3
- 2.3.4
- 2.3.5
- 2.3.6
- 2.3.7
- 2.3.8
- 2.3.9
- 2.3.10
- 2.3.11
- 2.3.12
- 2.3.13
- 2.3.14
- 2.3.15
- 2.3.16
- 2.3.17
- 2.3.18
- 2.3.19
- 2.3.20
- 2.3.21
License
CPE 2.3
CPE 2.2
CVSSv4
VulDB CVSS-B Score: 🔍VulDB CVSS-BT Score: 🔍
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CVSSv3
VulDB Meta Base Score: 5.2VulDB Meta Temp Score: 5.1
VulDB Base Score: 4.3
VulDB Temp Score: 4.1
VulDB Vector: 🔍
VulDB Reliability: 🔍
NVD Base Score: 6.1
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CVSSv2
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Exploiting
Class: Cross site scriptingCWE: CWE-79 / CWE-74 / CWE-707
CAPEC: 🔍
ATT&CK: 🔍
Local: No
Remote: Yes
Availability: 🔍
Status: Not defined
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0-Day | unlock | unlock | unlock | unlock |
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Threat Intelligence
Interest: 🔍Active Actors: 🔍
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Countermeasures
Recommended: UpgradeStatus: 🔍
0-Day Time: 🔍
Upgrade: Sling 2.3.22
Timeline
06/21/2017 🔍08/14/2017 🔍
08/14/2017 🔍
08/14/2017 🔍
08/14/2017 🔍
08/14/2017 🔍
12/15/2022 🔍
Sources
Vendor: apache.orgAdvisory: 143758
Researcher: Dmitriev V.
Status: Not defined
Confirmation: 🔍
CVE: CVE-2017-9802 (🔍)
SecurityFocus: 100284 - Apache Sling Servlets Post CVE-2017-9802 Cross Site Scripting Vulnerability
See also: 🔍
Entry
Created: 08/14/2017 18:44Updated: 12/15/2022 17:08
Changes: 08/14/2017 18:44 (63), 11/06/2019 19:48 (3), 01/09/2021 12:20 (2), 12/15/2022 17:08 (3)
Complete: 🔍
Cache ID: 3:902:103
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