Redhat Tomcat 1.0.2 on Red Hat Init-scripts link following

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

A vulnerability, which was classified as critical, was found in Redhat Tomcat 1.0.2 on Red Hat. This affects some unknown processing of the component Init-scripts. The manipulation with an unknown input leads to a link following vulnerability. CWE is classifying the issue as CWE-59. The product attempts to access a file based on the filename, but it does not properly prevent that filename from identifying a link or shortcut that resolves to an unintended resource. This is going to have an impact on confidentiality, integrity, and availability. The summary by CVE is:

The (1) tomcat5, (2) tomcat6, and (3) tomcat7 init scripts, as used in the RPM distribution of Tomcat for JBoss Enterprise Web Server 1.0.2 and 2.0.0, and Red Hat Enterprise Linux 5 and 6, allow local users to change the ownership of arbitrary files via a symlink attack on (a) tomcat5-initd.log, (b) tomcat6-initd.log, (c) catalina.out, or (d) tomcat7-initd.log.
Affected are tomcat RPM packages for Red Hat Enterprise Linux 5 & 6, as well as Jboss Enterprise Web Server

The weakness was disclosed 03/26/2013 by Simon Fayer with Imperial College London as RHSA-2013-0869 as confirmed advisory (Red Hat Security Advisory). It is possible to read the advisory at rhn.redhat.com. The public release has been coordinated in cooperation with Redhat. This vulnerability is uniquely identified as CVE-2013-1976 since 02/19/2013. Attacking locally is a requirement. No form of authentication is needed for exploitation. Technical details are unknown but a public exploit is available.

After immediately, there has been an exploit disclosed. It is declared as proof-of-concept. The vulnerability scanner Nessus provides a plugin with the ID 69754 (Amazon Linux AMI : tomcat6 (ALAS-2013-196)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Amazon Linux Local Security Checks. The commercial vulnerability scanner Qualys is able to test this issue with plugin 166386 (OpenSuSE Security Update for Tomcat (openSUSE-SU-2013:1306-1)).

Upgrading eliminates this vulnerability. A possible mitigation has been published 3 months after the disclosure of the vulnerability.

The vulnerability is also documented in the vulnerability database at Tenable (69754). The entries 8666, 9520, 11847 and 11928 are pretty similar.

Affected

  • tomcat5
  • tomcat6
  • tomcat7

Productinfo

Vendor

Name

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB CVSS-B Score: 🔍
VulDB CVSS-BT Score: 🔍
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CVSSv3info

VulDB Meta Base Score: 8.4
VulDB Meta Temp Score: 7.6

VulDB Base Score: 8.4
VulDB Temp Score: 7.6
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

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VulDB Base Score: 🔍
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NVD Base Score: 🔍

Exploitinginfo

Class: Link following
CWE: CWE-59
CAPEC: 🔍
ATT&CK: 🔍

Local: Yes
Remote: No

Availability: 🔍
Access: Public
Status: Proof-of-Concept

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 69754
Nessus Name: Amazon Linux AMI : tomcat6 (ALAS-2013-196)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Port: 🔍

OpenVAS ID: 881741
OpenVAS Name: CentOS Update for tomcat6 CESA-2013:0869 centos6
OpenVAS File: 🔍
OpenVAS Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

Reaction Time: 🔍
0-Day Time: 🔍
Exposure Time: 🔍
Exploit Delay Time: 🔍

Timelineinfo

02/19/2013 🔍
03/26/2013 +35 days 🔍
03/26/2013 +0 days 🔍
05/28/2013 +63 days 🔍
05/28/2013 +0 days 🔍
05/28/2013 +0 days 🔍
05/29/2013 +1 days 🔍
07/09/2013 +41 days 🔍
07/24/2013 +15 days 🔍
08/07/2013 +14 days 🔍
09/04/2013 +28 days 🔍
05/20/2021 +2815 days 🔍

Sourcesinfo

Advisory: RHSA-2013-0869
Researcher: Simon Fayer
Organization: Imperial College London
Status: Confirmed
Confirmation: 🔍
Coordinated: 🔍

CVE: CVE-2013-1976 (🔍)
OVAL: 🔍

Vulnerability Center: 39751 - Apache Tomcat 6.0.0-6.0.36 Local Sym Link Attack and DoS Vulnerability Due to Improper TOMCAT_LOG Management in Init Script, Medium
SecurityFocus: 60186 - Apache Tomcat CVE-2013-1976 Insecure Temporary File Handling Vulnerability
Secunia: 54327 - SUSE update for tomcat, Not Critical
OSVDB: 95550

scip Labs: https://www.scip.ch/en/?labs.20161013
See also: 🔍

Entryinfo

Created: 07/24/2013 11:10
Updated: 05/20/2021 14:39
Changes: 07/24/2013 11:10 (92), 05/01/2017 11:13 (2), 05/20/2021 14:39 (3)
Complete: 🔍
Committer: olku
Cache ID: 3:88E:103

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