CVE-2021-24002
First published: Mon Apr 19 2021(Updated: )
When a user clicked on an FTP URL containing encoded newline characters (%0A and %0D), the newlines would have been interpreted as such and allowed arbitrary commands to be sent to the FTP server.
Credit: security@mozilla.org security@mozilla.org
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Mozilla Thunderbird | <78.10 | 78.10 |
| <78.10 | 78.10 | |
| <78.10 | 78.10 | |
| <88 | 88 | |
| Mozilla Firefox | <88.0 | |
| Mozilla Firefox ESR | <78.10 | |
| Mozilla Thunderbird | <78.10 | |
| debian/firefox | 118.0.2-1 | |
| debian/firefox-esr | 91.12.0esr-1~deb10u1 115.3.1esr-1~deb10u1 102.15.0esr-1~deb11u1 115.3.1esr-1~deb11u1 102.15.1esr-1~deb12u1 115.3.0esr-1~deb12u1 115.3.0esr-1 | |
| debian/thunderbird | 1:91.12.0-1~deb10u1 1:115.3.1-1~deb10u1 1:102.13.1-1~deb11u1 1:115.3.1-1~deb11u1 1:102.15.1-1~deb12u1 1:115.3.1-1~deb12u1 1:115.3.1-1 |
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Reference Links
- https://bugzilla.mozilla.org/show_bug.cgi?id=1702374
- https://www.mozilla.org/en-US/security/advisories/mfsa2021-14/
- https://www.mozilla.org/en-US/security/advisories/mfsa2021-15/
- https://www.mozilla.org/en-US/security/advisories/mfsa2021-16/
- https://www.mozilla.org/security/advisories/mfsa2021-14/
- https://www.mozilla.org/security/advisories/mfsa2021-15/
- https://www.mozilla.org/security/advisories/mfsa2021-16/
- https://www.mozilla.org/en-US/security/advisories/mfsa2021-14/#CVE-2021-24002
- https://www.mozilla.org/en-US/security/advisories/mfsa2021-15/#CVE-2021-24002
- https://www.mozilla.org/en-US/security/advisories/mfsa2021-16/#CVE-2021-24002
- https://security-tracker.debian.org/tracker/CVE-2021-24002
Peer vulnerabilities
(Found alongside the following vulnerabilities)
Frequently Asked Questions
What is CVE-2021-24002?
CVE-2021-24002 is a vulnerability that allowed arbitrary commands to be sent to an FTP server when a user clicked on an FTP URL containing encoded newline characters.
Which software is affected by CVE-2021-24002?
Mozilla Thunderbird 78.10, Mozilla Firefox 88, and Mozilla Firefox ESR 78.10 are affected by CVE-2021-24002.
What is the severity of CVE-2021-24002?
The severity of CVE-2021-24002 is medium, with a severity value of 4.
How can I fix CVE-2021-24002?
To fix CVE-2021-24002, update your Mozilla Thunderbird to version 78.10, Mozilla Firefox to version 88, or Mozilla Firefox ESR to version 78.10.
Where can I find more information about CVE-2021-24002?
You can find more information about CVE-2021-24002 on the Mozilla Bugzilla and Mozilla Security Advisories websites.
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