RoundCube up to 1.5.7/1.6.7 Cascading Style Sheet mod_css_styles information disclosure

Summaryinfo

A vulnerability classified as problematic has been found in RoundCube up to 1.5.7/1.6.7. The impacted element is the function mod_css_styles of the component Cascading Style Sheet Handler. This manipulation causes information disclosure. This vulnerability appears as CVE-2024-42010. The attack may be initiated remotely. There is no available exploit. It is recommended to upgrade the affected component.

Detailsinfo

A vulnerability was found in RoundCube up to 1.5.7/1.6.7. It has been declared as problematic. Affected by this vulnerability is the function mod_css_styles of the component Cascading Style Sheet Handler. The manipulation with an unknown input leads to a information disclosure vulnerability. The CWE definition for the vulnerability is CWE-200. The product exposes sensitive information to an actor that is not explicitly authorized to have access to that information. As an impact it is known to affect confidentiality. The summary by CVE is:

mod_css_styles in Roundcube through 1.5.7 and 1.6.x through 1.6.7 allows a insufficiently filters Cascading Style Sheets (CSS) token sequences in rendered e-mail messages, allowing a remote attacker to obtain sensitive information.

It is possible to read the advisory at roundcube.net. This vulnerability is known as CVE-2024-42010 since 07/26/2024. The exploitation appears to be easy. The attack can be launched remotely. Technical details of the vulnerability are known, but there is no available exploit. The attack technique deployed by this issue is T1592 according to MITRE ATT&CK.

The vulnerability scanner Nessus provides a plugin with the ID 208677 (openSUSE 15 Security Update : roundcubemail (openSUSE-SU-2024:0328-1)), which helps to determine the existence of the flaw in a target environment.

Upgrading to version 1.5.8 or 1.6.8 eliminates this vulnerability. The upgrade is hosted for download at github.com.

The vulnerability is also documented in the databases at Tenable (208677) and CERT Bund (WID-SEC-2024-1754). Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Affected

• Debian Linux
• Ubuntu Linux
• SUSE openSUSE
• Open Source Roundcube

Productinfo

Type

• Mail Client Software

Name

• RoundCube

Version

• 1.5.0
• 1.5.1
• 1.5.2
• 1.5.3
• 1.5.4
• 1.5.5
• 1.5.6
• 1.5.7
• 1.6.0
• 1.6.1
• 1.6.2
• 1.6.3
• 1.6.4
• 1.6.5
• 1.6.6
• 1.6.7

License

• free

CPE 2.3info

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CPE 2.2info

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Entryinfo

Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

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