CVE-2023-5631: Stored XSS vulnerability in Roundcube
First published: Mon Oct 16 2023(Updated: )
Roundcube before 1.4.15, 1.5.x before 1.5.5, and 1.6.x before 1.6.4 allows stored XSS via an HTML e-mail message with a crafted SVG document because of program/lib/Roundcube/rcube_washtml.php behavior. This could allow a remote attacker to load arbitrary JavaScript code.
Credit: security@eset.com security@eset.com security@eset.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Roundcube email server | =1.4.14 | |
| Roundcube email server | =1.5.x before 1.5.4 | |
| Roundcube email server | =1.6.x before 1.6.3 | |
| Roundcube Webmail | <1.4.15 | |
| Roundcube Webmail | >=1.5.0<1.5.5 | |
| Roundcube Webmail | >=1.6.0<1.6.4 | |
| Debian Debian Linux | =10.0 | |
| Debian Debian Linux | =11.0 | |
| Debian Debian Linux | =12.0 | |
| Fedoraproject Fedora | =39 | |
| debian/roundcube | <=1.6.3+dfsg-1~deb12u1<=1.4.14+dfsg.1-1~deb11u1<=1.6.3+dfsg-2<=1.3.17+dfsg.1-1~deb10u3 | 1.6.4+dfsg-1 1.6.4+dfsg-1~deb12u1 1.4.15+dfsg.1-1~deb11u1 |
| debian/roundcube | 1.4.15+dfsg.1-1+deb11u4 1.6.5+dfsg-1+deb12u4 1.6.9+dfsg-1 | |
| Roundcube Webmail | ||
| <1.4.15 | ||
| >=1.5.0<1.5.5 | ||
| >=1.6.0<1.6.4 | ||
| =10.0 | ||
| =11.0 | ||
| =12.0 | ||
| =39 |
Remedy
Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.
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Reference Links
- https://github.com/roundcube/roundcubemail/commit/6ee6e7ae301e165e2b2cb703edf75552e5376613
- https://github.com/roundcube/roundcubemail/releases/tag/1.4.15
- https://github.com/roundcube/roundcubemail/releases/tag/1.5.5
- https://github.com/roundcube/roundcubemail/releases/tag/1.6.4
- http://www.openwall.com/lists/oss-security/2023/11/01/1
- http://www.openwall.com/lists/oss-security/2023/11/01/3
- http://www.openwall.com/lists/oss-security/2023/11/17/2
- https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=1054079
- https://github.com/roundcube/roundcubemail/commit/41756cc3331b495cc0b71886984474dc529dd31d
- https://github.com/roundcube/roundcubemail/issues/9168
- https://lists.debian.org/debian-lts-announce/2023/10/msg00035.html
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/LK67Q46OIEGJCRQUBHKLH3IIJTBNGGX4/
- https://roundcube.net/news/2023/10/16/security-update-1.6.4-released
- https://roundcube.net/news/2023/10/16/security-updates-1.5.5-and-1.4.15
- https://www.debian.org/security/2023/dsa-5531
- https://www.bleepingcomputer.com/news/security/cisa-roundcube-email-server-bug-now-exploited-in-attacks/
- https://launchpad.net/bugs/cve/CVE-2023-5631
- https://github.com/roundcube/roundcubemail/commit/7b2df52ede57bab9e87e9c3bc00601eeca591a5e
- https://github.com/roundcube/roundcubemail/commit/dc7b6850c68870570b438d79c0949a5031522127
- https://security-tracker.debian.org/tracker/CVE-2023-5631
- https://www.openwall.com/lists/oss-security/2023/11/01/1
- https://roundcube.net/news/2023/10/16/security-update-1.6.4-released,
- https://nvd.nist.gov/vuln/detail/CVE-2023-5631
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2023-5631
- https://ubuntu.com/security/CVE-2023-5631
- https://www.bleepingcomputer.com/news/security/hackers-exploit-roundcube-webmail-flaw-to-steal-email-credentials/
Peer vulnerabilities
(Found alongside the following vulnerabilities)
Frequently Asked Questions
What is the vulnerability ID for this Roundcube vulnerability?
The vulnerability ID for this Roundcube vulnerability is CVE-2023-5631.
What is the severity of CVE-2023-5631?
The severity of CVE-2023-5631 is high with a severity value of 6.1.
How does CVE-2023-5631 allow stored XSS?
CVE-2023-5631 allows stored XSS through an HTML e-mail message with a crafted SVG document because of program/lib/Roundcube/rcube_washtml.php behavior.
Which versions of Roundcube are affected by CVE-2023-5631?
Roundcube versions before 1.4.15, 1.5.x before 1.5.5, and 1.6.x before 1.6.4 are affected by CVE-2023-5631.
How can I fix CVE-2023-5631?
To fix CVE-2023-5631, upgrade to Roundcube version 1.4.15, 1.5.5, or 1.6.4.
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