GOsa include/functions.inc generate_smb_nt_hash Password code injection

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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8.4$0-$5k0.00

A vulnerability, which was classified as critical, has been found in GOsa (affected version not known). This issue affects the function generate_smb_nt_hash of the file include/functions.inc. The manipulation of the argument password with an unknown input leads to a code injection vulnerability. Using CWE to declare the problem leads to CWE-94. The product constructs all or part of a code segment using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the syntax or behavior of the intended code segment. Impacted is confidentiality, integrity, and availability. The summary by CVE is:

The generate_smb_nt_hash function in include/functions.inc in GOsa allows remote attackers to execute arbitrary commands via a crafted password.

The bug was discovered 01/16/2016. The weakness was presented 02/13/2017 (oss-sec). The advisory is shared at openwall.com. The identification of this vulnerability is CVE-2015-8771 since 01/15/2016. The exploitation is known to be easy. The attack may be initiated remotely. No form of authentication is needed for a successful exploitation. Technical details are known, but no exploit is available. MITRE ATT&CK project uses the attack technique T1059 for this issue.

The vulnerability was handled as a non-public zero-day exploit for at least 192 days. During that time the estimated underground price was around $0-$5k. The vulnerability scanner Nessus provides a plugin with the ID 92569 (Debian DLA-562-1 : gosa security update), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Debian Local Security Checks and running in the context l.

Upgrading eliminates this vulnerability. A possible mitigation has been published even before and not after the disclosure of the vulnerability.

The vulnerability is also documented in the databases at Tenable (92569) and SecurityFocus (BID 96388†). See VDB-96830 for similar entry. If you want to get the best quality for vulnerability data then you always have to consider VulDB.

Productinfo

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License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 8.5
VulDB Meta Temp Score: 8.4

VulDB Base Score: 7.3
VulDB Temp Score: 7.0
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 9.8
NVD Vector: 🔍

CVSSv2info

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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Code injection
CWE: CWE-94 / CWE-74 / CWE-707
CAPEC: 🔍
ATT&CK: 🔍

Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 92569
Nessus Name: Debian DLA-562-1 : gosa security update
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Patch: github.com

Timelineinfo

01/15/2016 🔍
01/16/2016 +1 days 🔍
07/26/2016 +192 days 🔍
07/27/2016 +1 days 🔍
02/13/2017 +201 days 🔍
02/13/2017 +0 days 🔍
02/13/2017 +0 days 🔍
02/14/2017 +1 days 🔍
11/14/2022 +2099 days 🔍

Sourcesinfo

Advisory: a67a047cba2cdae8bccb0f0e2bc6d3eb45cfcbc8
Status: Not defined
Confirmation: 🔍

CVE: CVE-2015-8771 (🔍)
GCVE (CVE): GCVE-0-2015-8771
GCVE (VulDB): GCVE-100-96833
SecurityFocus: 96388 - GOsa CVE-2015-8771 Arbitrary Command Execution Vulnerability
OSVDB: - CVE-2015-8771 - GOsa - Command Execution Issue

See also: 🔍

Entryinfo

Created: 02/14/2017 09:04 AM
Updated: 11/14/2022 08:18 AM
Changes: 02/14/2017 09:04 AM (73), 11/14/2022 08:18 AM (4)
Complete: 🔍
Cache ID: 18:D17:40

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