Apache Tomcat on Debian/Ubuntu postrm Script attack access control

CVSS Meta Temp Score
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CTI Interest Score
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7.6$0-$5k0.00

Summaryinfo

A vulnerability was found in Apache Tomcat on Debian/Ubuntu and classified as critical. Impacted is an unknown function of the file /etc/tomcat8/Catalina/attack of the component postrm Script. The manipulation results in access control. This vulnerability is identified as CVE-2016-9775. The attack is only possible with local access. There is not any exploit available. It is suggested to upgrade the affected component.

Detailsinfo

A vulnerability was found in Apache Tomcat on Debian/Ubuntu (Application Server Software) (the affected version is unknown). It has been classified as critical. Affected is an unknown code of the file /etc/tomcat8/Catalina/attack of the component postrm Script. The manipulation with an unknown input leads to a access control vulnerability. CWE is classifying the issue as CWE-264. This is going to have an impact on confidentiality, integrity, and availability. CVE summarizes:

The postrm script in the tomcat6 package before 6.0.45+dfsg-1~deb7u3 on Debian wheezy, before 6.0.45+dfsg-1~deb8u1 on Debian jessie, before 6.0.35-1ubuntu3.9 on Ubuntu 12.04 LTS and on Ubuntu 14.04 LTS; the tomcat7 package before 7.0.28-4+deb7u7 on Debian wheezy, before 7.0.56-3+deb8u6 on Debian jessie, before 7.0.52-1ubuntu0.8 on Ubuntu 14.04 LTS, and on Ubuntu 12.04 LTS, 16.04 LTS, and 16.10; and the tomcat8 package before 8.0.14-1+deb8u5 on Debian jessie, before 8.0.32-1ubuntu1.3 on Ubuntu 16.04 LTS, before 8.0.37-1ubuntu0.1 on Ubuntu 16.10, and before 8.0.38-2ubuntu1 on Ubuntu 17.04 might allow local users with access to the tomcat account to gain root privileges via a setgid program in the Catalina directory, as demonstrated by /etc/tomcat8/Catalina/attack.

The bug was discovered 12/02/2016. The weakness was released 03/23/2017 by Paul Szabo (oss-sec). The advisory is available at openwall.com. This vulnerability is traded as CVE-2016-9775 since 12/02/2016. Local access is required to approach this attack. A authentication is needed for exploitation. Technical details are known, but there is no available exploit. This vulnerability is assigned to T1068 by the MITRE ATT&CK project.

The vulnerability was handled as a non-public zero-day exploit for at least 111 days. During that time the estimated underground price was around $5k-$25k. The vulnerability scanner Nessus provides a plugin with the ID 900019 , which helps to determine the existence of the flaw in a target environment. The commercial vulnerability scanner Qualys is able to test this issue with plugin 175914 (Debian Security Update for tomcat8 (DSA 3739-1)).

Upgrading eliminates this vulnerability.

The vulnerability is also documented in the databases at Tenable (900019) and SecurityFocus (BID 94643†). Entries connected to this vulnerability are available at VDB-93797, VDB-93799, VDB-98465 and VDB-108007. If you want to get best quality of vulnerability data, you may have to visit VulDB.

Productinfo

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CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.8
VulDB Meta Temp Score: 7.6

VulDB Base Score: 7.8
VulDB Temp Score: 7.5
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 7.8
NVD Vector: 🔍

CVSSv2info

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

NVD Base Score: 🔍

Exploitinginfo

Class: Access control
CWE: CWE-264
CAPEC: 🔍
ATT&CK: 🔍

Physical: Partially
Local: Yes
Remote: No

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 900019
Nessus File: 🔍

OpenVAS ID: 703738
OpenVAS Name: Debian Security Advisory DSA 3738-1 (tomcat7 - security update)
OpenVAS File: 🔍
OpenVAS Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Timelineinfo

12/02/2016 🔍
12/02/2016 +0 days 🔍
12/02/2016 +0 days 🔍
03/23/2017 +111 days 🔍
03/23/2017 +0 days 🔍
03/24/2017 +1 days 🔍
11/14/2022 +2061 days 🔍

Sourcesinfo

Vendor: apache.org

Advisory: USN-3177-1
Researcher: Paul Szabo
Status: Not defined
Confirmation: 🔍

CVE: CVE-2016-9775 (🔍)
GCVE (CVE): GCVE-0-2016-9775
GCVE (VulDB): GCVE-100-98466

OVAL: 🔍

SecurityFocus: 94643 - Debian Tomcat Package Multiple Local Privilege Escalation Vulnerabilities
OSVDB: - CVE-2016-9775 - Tomcat, Debian - Privilege Escalation Issue

See also: 🔍

Entryinfo

Created: 03/24/2017 07:15
Updated: 11/14/2022 16:18
Changes: 03/24/2017 07:15 (78), 11/14/2022 16:18 (3)
Complete: 🔍
Cache ID: 216::103

If you want to get best quality of vulnerability data, you may have to visit VulDB.

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