CVE-2018-20677: XSS
First published: Fri Aug 10 2018(Updated: )
A flaw was found in Bootstrap before 3.4.0. XSS is possible in the affix configuration target property. References: <a href="https://blog.getbootstrap.com/2018/12/13/bootstrap-3-4-0/">https://blog.getbootstrap.com/2018/12/13/bootstrap-3-4-0/</a> <a href="https://github.com/twbs/bootstrap/issues/27045">https://github.com/twbs/bootstrap/issues/27045</a> <a href="https://github.com/twbs/bootstrap/issues/27915#issuecomment-452140906">https://github.com/twbs/bootstrap/issues/27915#issuecomment-452140906</a> <a href="https://github.com/twbs/bootstrap/issues/27915#issuecomment-452196628">https://github.com/twbs/bootstrap/issues/27915#issuecomment-452196628</a> Upstream Patch: <a href="https://github.com/twbs/bootstrap/pull/27047">https://github.com/twbs/bootstrap/pull/27047</a>
Credit: cve@mitre.org cve@mitre.org
| Affected Software | Affected Version | How to fix |
|---|---|---|
| redhat/ipa | <0:4.6.8-5.el7 | 0:4.6.8-5.el7 |
| redhat/ovirt-engine-api-explorer | <0:0.0.4-1.el7e | 0:0.0.4-1.el7e |
| redhat/ovirt-engine-api-explorer | <0:0.0.5-1.el7e | 0:0.0.5-1.el7e |
| redhat/ovirt-engine-ui-extensions | <0:1.0.10-1.el7e | 0:1.0.10-1.el7e |
| Getbootstrap Bootstrap | <3.4.0 | |
| redhat/bootstrap | <3.4.0 | 3.4.0 |
| nuget/bootstrap | <3.4.0 | 3.4.0 |
| rubygems/bootstrap-sass | <3.4.0 | 3.4.0 |
| rubygems/bootstrap | <3.4.0 | 3.4.0 |
| maven/org.webjars:bootstrap | <3.4.0 | 3.4.0 |
| composer/twbs/bootstrap | <3.4.0 | 3.4.0 |
| npm/bootstrap-sass | <3.4.0 | 3.4.0 |
| npm/bootstrap | <3.4.0 | 3.4.0 |
| IBM Cognos Analytics | <=12.0.0-12.0.3 | |
| IBM Cognos Analytics | <=11.2.0-11.2.4 FP4 |
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Reference Links
- https://www.cve.org/CVERecord?id=CVE-2018-20677 https://nvd.nist.gov/vuln/detail/CVE-2018-20677
- https://bugzilla.redhat.com/show_bug.cgi?id=1668089
- https://access.redhat.com/errata/RHSA-2020:0133
- https://access.redhat.com/errata/RHSA-2020:3936
- https://access.redhat.com/errata/RHSA-2020:4670
- https://access.redhat.com/errata/RHSA-2020:5571
- https://access.redhat.com/errata/RHSA-2020:0132
- https://access.redhat.com/errata/RHSA-2019:1456
- https://access.redhat.com/errata/RHBA-2019:1076
- https://access.redhat.com/errata/RHBA-2019:1570
- https://access.redhat.com/errata/RHSA-2019:3023
- https://access.redhat.com/security/cve/cve-2018-20677
- https://blog.getbootstrap.com/2018/12/13/bootstrap-3-4-0/
- https://github.com/twbs/bootstrap/issues/27045
- https://github.com/twbs/bootstrap/issues/27915#issuecomment-452140906
- https://github.com/twbs/bootstrap/issues/27915#issuecomment-452196628
- https://github.com/twbs/bootstrap/pull/27047
- https://lists.apache.org/thread.html/52e0e6b5df827ee7f1e68f7cc3babe61af3b2160f5d74a85469b7b0e@%3Cdev.superset.apache.org%3E
- https://lists.apache.org/thread.html/rd0e44e8ef71eeaaa3cf3d1b8b41eb25894372e2995ec908ce7624d26@%3Ccommits.pulsar.apache.org%3E
- https://www.tenable.com/security/tns-2021-14
- https://access.redhat.com/errata/RHSA-2023:5693
- https://lists.apache.org/thread.html/52e0e6b5df827ee7f1e68f7cc3babe61af3b2160f5d74a85469b7b0e%40%3Cdev.superset.apache.org%3E
- https://lists.apache.org/thread.html/rd0e44e8ef71eeaaa3cf3d1b8b41eb25894372e2995ec908ce7624d26%40%3Ccommits.pulsar.apache.org%3E
- https://nvd.nist.gov/vuln/detail/CVE-2018-20677
- https://github.com/twbs/bootstrap/commit/2a5ba23ce8f041f3548317acc992ed8a736b609d
- https://blog.getbootstrap.com/2018/12/13/bootstrap-3-4-0
- https://github.com/rubysec/ruby-advisory-db/blob/master/gems/bootstrap/CVE-2018-20677.yml
- https://github.com/rubysec/ruby-advisory-db/blob/master/gems/bootstrap-sass/CVE-2018-20677.yml
- https://github.com/advisories/GHSA-ph58-4vrj-w6hr (Advisory)
- https://www.ibm.com/support/pages/node/7177223 (Advisory)
Parent vulnerabilities
(Appears in the following advisories)
Frequently Asked Questions
What is CVE-2018-20677?
CVE-2018-20677 is a vulnerability in Bootstrap before 3.4.0 that allows for cross-site scripting (XSS) attacks.
What is the severity of CVE-2018-20677?
The severity of CVE-2018-20677 is medium with a CVSS score of 6.1.
How can an attacker exploit CVE-2018-20677?
An attacker can exploit CVE-2018-20677 by injecting malicious scripts into a victim's web browser through the affix configuration target property.
Is there a fix for CVE-2018-20677?
Yes, updating Bootstrap to version 3.4.0 or above will fix the vulnerability.
Where can I find more information about CVE-2018-20677?
You can find more information about CVE-2018-20677 at the following links: [CVE-2018-20677](https://www.cve.org/CVERecord?id=CVE-2018-20677), [NVD](https://nvd.nist.gov/vuln/detail/CVE-2018-20677), [Red Hat Bugzilla](https://bugzilla.redhat.com/show_bug.cgi?id=1668089), [Red Hat Advisory](https://access.redhat.com/errata/RHSA-2020:0133).
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