Multiple vulnerabilities in s9y Serendipity

Published: 2019-11-05 | Updated: 2020-07-17

Risk	High
Patch available	YES
Number of vulnerabilities	3
CVE-ID	CVE-2011-1133 CVE-2011-1134 CVE-2011-1135
CWE-ID	CWE-94 CWE-79
Exploitation vector	Network
Public exploit	N/A
Vulnerable software Subscribe	Serendipity Other software / Other software solutions
Vendor	s9y.org

Security Bulletin

This security bulletin contains information about 3 vulnerabilities.

1) Code Injection

EUVDB-ID: #VU30699

Risk: High

CVSSv3.1: 8.5 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2011-1133

CWE-ID: CWE-94 - Improper Control of Generation of Code ('Code Injection')

Exploit availability: No

Description

The vulnerability allows a remote attacker to execute arbitrary code on the target system.

The vulnerability exists due to improper input validation in plugins/ExtendedFileManager/backend.php. A remote attacker can send a specially crafted request and execute arbitrary code on the target system.

Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.

Mitigation

Update to version 1.5.5.

Vulnerable software versions

Serendipity: 1.5.1 - 1.5.4

CPE2.3

External links

http://blog.s9y.org/archives/224-Important-Security-Update-Serendipity-1.5.5-released.html
http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=611661
http://security-tracker.debian.org/tracker/CVE-2011-1133
http://www.openwall.com/lists/oss-security/2011/03/02/5

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

2) Cross-site scripting

EUVDB-ID: #VU30700

Risk: Low

CVSSv3.1: 5.3 [CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N/E:U/RL:O/RC:C]

CVE-ID: CVE-2011-1134

CWE-ID: CWE-79 - Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

Exploit availability: No

Description

The disclosed vulnerability allows a remote attacker to perform cross-site scripting (XSS) attacks.

The vulnerability exists due to insufficient sanitization of user-supplied data. The vulnerability allows remote attackers to execute arbitrary code in the image manager.

Successful exploitation of this vulnerability may allow a remote attacker to steal potentially sensitive information, change appearance of the web page, perform phishing and drive-by-download attacks.

Mitigation

Update to version 1.5.5.

Vulnerable software versions

Serendipity: 1.5.1 - 1.5.4

CPE2.3

External links

http://blog.s9y.org/archives/224-Important-Security-Update-Serendipity-1.5.5-released.html
http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=611661
http://security-tracker.debian.org/tracker/CVE-2011-1134
http://www.openwall.com/lists/oss-security/2011/03/02/5

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

3) Cross-site scripting

EUVDB-ID: #VU30701

Risk: Low

CVSSv3.1: 5.3 [CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N/E:U/RL:O/RC:C]

CVE-ID: CVE-2011-1135

CWE-ID: CWE-79 - Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

Exploit availability: No

Description

The vulnerability allows a remote non-authenticated attacker to read and manipulate data.

Cross-Site Scripting (XSS) in Xinha, as included in the Serendipity package before 1.5.5, allows remote attackers to execute arbitrary code in plugins/ExtendedFileManager/manager.php and plugins/ImageManager/manager.php.

Mitigation

Install update from vendor's website.

Vulnerable software versions

Serendipity: 1.5.1 - 1.5.4

CPE2.3

External links

http://blog.s9y.org/archives/224-Important-Security-Update-Serendipity-1.5.5-released.html
http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=611661
http://security-tracker.debian.org/tracker/CVE-2011-1135
http://www.openwall.com/lists/oss-security/2011/03/02/5

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.