GNU C Library up to 2.1.9x RESOLV_HOST_CONF/HOSTALIASES/RES_OPTIONS privileges management

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CTI Interest Score
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3.6$0-$5k0.00

Summaryinfo

A vulnerability was found in GNU C Library up to 2.1.9x. It has been declared as problematic. Affected is an unknown function. The manipulation of the argument RESOLV_HOST_CONF/HOSTALIASES/RES_OPTIONS as part of Environment Variable results in privileges management. This vulnerability is cataloged as CVE-2001-0170. Furthermore, there is an exploit available. It is recommended to upgrade the affected component.

Detailsinfo

A vulnerability, which was classified as problematic, was found in GNU C Library up to 2.1.9x (Software Library). Affected is some unknown processing. The manipulation of the argument RESOLV_HOST_CONF/HOSTALIASES/RES_OPTIONS as part of a Environment Variable leads to a privileges management vulnerability. CWE is classifying the issue as CWE-269. The product does not properly assign, modify, track, or check privileges for an actor, creating an unintended sphere of control for that actor. This is going to have an impact on confidentiality. CVE summarizes:

glibc 2.1.9x and earlier does not properly clear the RESOLV_HOST_CONF, HOSTALIASES, or RES_OPTIONS environmental variables when executing setuid/setgid programs, which could allow local users to read arbitrary files.

The weakness was shared 01/10/2001 by FIRST (Website). The advisory is available at archives.neohapsis.com. This vulnerability is traded as CVE-2001-0170. The exploitability is told to be easy. Local access is required to approach this attack. The exploitation doesn't require any form of authentication. Technical details and a public exploit are known. This vulnerability is assigned to T1068 by the MITRE ATT&CK project.

A public exploit has been developed by krochos and been published 3 weeks after the advisory. The exploit is shared for download at exploit-db.com. It is declared as proof-of-concept.

Upgrading eliminates this vulnerability. Attack attempts may be identified with Snort ID 714.

The vulnerability is also documented in the databases at X-Force (5907), Exploit-DB (258), SecurityFocus (BID 2181†) and OSVDB (1710†). The entry VDB-16553 is related to this item. If you want to get best quality of vulnerability data, you may have to visit VulDB.

Productinfo

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Version

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Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 4.0
VulDB Meta Temp Score: 3.6

VulDB Base Score: 4.0
VulDB Temp Score: 3.6
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Privileges management
CWE: CWE-269 / CWE-266
CAPEC: 🔍
ATT&CK: 🔍

Physical: Partially
Local: Yes
Remote: No

Availability: 🔍
Access: Public
Status: Proof-of-Concept
Author: krochos
Download: 🔍

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Exploit-DB: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍
Exploit Delay Time: 🔍
Snort ID: 714
Snort Message: PROTOCOL-TELNET resolv_host_conf
Snort Class: 🔍

Timelineinfo

01/10/2001 🔍
01/10/2001 +0 days 🔍
01/25/2001 +15 days 🔍
01/25/2001 +0 days 🔍
03/26/2001 +60 days 🔍
02/21/2003 +697 days 🔍
07/03/2014 +4149 days 🔍
10/10/2024 +3752 days 🔍

Sourcesinfo

Vendor: gnu.org

Advisory: archives.neohapsis.com
Researcher: FIRST
Status: Not defined

CVE: CVE-2001-0170 (🔍)
GCVE (CVE): GCVE-0-2001-0170
GCVE (VulDB): GCVE-100-16554
X-Force: 5907 - Linux glibc library can allow users to read restricted files
SecurityFocus: 2181 - glibc RESOLV_HOST_CONF File Read Access Vulnerability
OSVDB: 1710 - GNU libc (glibc) Multiple Environment Variable Arbitrary File Access

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

Entryinfo

Created: 07/03/2014 16:02
Updated: 10/10/2024 20:43
Changes: 07/03/2014 16:02 (70), 04/07/2019 17:22 (1), 10/10/2024 20:43 (16)
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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