Multiple vulnerabilities in LDAP Account Manager

1) Information disclosure

EUVDB-ID: #VU65012

Risk: Low

CVSSv3.1: 3.2 [CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N/E:U/RL:O/RC:C]

CVE-ID: CVE-2022-31088

CWE-ID: CWE-200 - Information exposure

Exploit availability: No

Description

The vulnerability allows a remote attacker to gain access to potentially sensitive information.

The vulnerability exists due to excessive data output by the application. A remote attacker can abuse application behavior on the login page and enumerate user login names.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

LDAP Account Manager: 0.4.7 - 7.9.1

External links

http://github.com/LDAPAccountManager/lam/commit/f1d5d04952f39a1b4ea203d3964fa88e1429dfd4
http://github.com/LDAPAccountManager/lam/security/advisories/GHSA-wxf8-9x99-6gp4

Q & A

Can this vulnerability be exploited remotely?

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

How the attacker can exploit this vulnerability?

The attacker would have to send a specially crafted request to the affected application in order to exploit this vulnerability.

Is there known malware, which exploits this vulnerability?

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

2) Incorrect default permissions

EUVDB-ID: #VU65011

Risk: Medium

CVSSv3.1: 5.8 [CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2022-31087

CWE-ID: CWE-276 - Incorrect Default Permissions

Exploit availability: No

Description

The vulnerability allows a remote user to escalate privileges on the system.

The vulnerability exists due to the /lam/tmp/ directory allows interpretation of .php and is writable by default. A remote user with ability to upload PHP files into the temporary directory can execute them later on the server.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

LDAP Account Manager: 0.4.7 - 7.9.1

External links

http://github.com/LDAPAccountManager/lam/commit/f1d5d04952f39a1b4ea203d3964fa88e1429dfd4
http://github.com/LDAPAccountManager/lam/security/advisories/GHSA-q8g5-45m4-q95p

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote authenticated privileged user via the Internet.

How the attacker can exploit this vulnerability?

The attacker would have to send a specially crafted request to the affected application in order to exploit this vulnerability.

Is there known malware, which exploits this vulnerability?

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

3) Arbitrary file upload

EUVDB-ID: #VU65010

Risk: Medium

CVSSv3.1: 6.5 [CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2022-31086

CWE-ID: CWE-434 - Unrestricted Upload of File with Dangerous Type

Exploit availability: No

Description

The vulnerability allows a remote user to compromise vulnerable system.

The vulnerability exists due to insufficient validation of file during file upload. A remote user can upload arbitrary PHP file and execute it on the server.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

LDAP Account Manager: 0.4.7 - 7.9.1

External links

http://github.com/LDAPAccountManager/lam/security/advisories/GHSA-q9pc-x84w-982x
http://github.com/LDAPAccountManager/lam/commit/f1d5d04952f39a1b4ea203d3964fa88e1429dfd4

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote authenticated user via the Internet.

How the attacker can exploit this vulnerability?

The attacker would have to send a specially crafted request to the affected application in order to exploit this vulnerability.

Is there known malware, which exploits this vulnerability?

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

4) Cross-site scripting

EUVDB-ID: #VU65009

Risk: Low

CVSSv3.1: 4.1 [CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:L/I:L/A:N/E:U/RL:O/RC:C]

CVE-ID: CVE-2022-31085

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. A remote attacker can trick the victim to follow a specially crafted link and execute arbitrary HTML and script code in user's browser in context of vulnerable website.

Note, the vulnerability can be exploited against Internet Explorer users only.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

LDAP Account Manager: 0.4.7 - 7.9.1

External links

http://github.com/LDAPAccountManager/lam/security/advisories/GHSA-6m3q-5c84-6h6j
http://github.com/LDAPAccountManager/lam/commit/f1d5d04952f39a1b4ea203d3964fa88e1429dfd4

Q & A

Can this vulnerability be exploited remotely?

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

How the attacker can exploit this vulnerability?

The attacker would have to send a specially crafted request to the affected application in order to exploit this vulnerability.

Is there known malware, which exploits this vulnerability?

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

5) Code Injection

EUVDB-ID: #VU65008

Risk: Medium

CVSSv3.1: 6.5 [CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2022-31084

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

Exploit availability: No

Description

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

The vulnerability exists due to improper input validation. A remote user can inject the first constructor argument and execute arbitrary code on the system, if non-LAM classes are instantiated that execute code during object creation.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

LDAP Account Manager: 0.4.7 - 7.9.1

External links

http://github.com/LDAPAccountManager/lam/commit/f1d5d04952f39a1b4ea203d3964fa88e1429dfd4
http://github.com/LDAPAccountManager/lam/security/advisories/GHSA-r387-grjx-qgvw

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote authenticated user via the Internet.

How the attacker can exploit this vulnerability?

The attacker would have to send a specially crafted request to the affected application in order to exploit this vulnerability.

Is there known malware, which exploits this vulnerability?

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