procps-ng up to 3.3.14 config_file access control

CVSS Meta Temp Score
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CTI Interest Score
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6.4$0-$5k0.00

Summaryinfo

A vulnerability was found in procps-ng up to 3.3.14. It has been classified as problematic. This affects the function config_file. Performing a manipulation results in access control. This vulnerability is reported as CVE-2018-1122. The attack requires a local approach. Moreover, an exploit is present. Upgrading the affected component is recommended.

Detailsinfo

A vulnerability, which was classified as problematic, was found in procps-ng up to 3.3.14. This affects the function config_file. 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. The summary by CVE is:

procps-ng before version 3.3.15 is vulnerable to a local privilege escalation in top. If a user runs top with HOME unset in an attacker-controlled directory, the attacker could achieve privilege escalation by exploiting one of several vulnerabilities in the config_file() function.

The bug was discovered 05/17/2018. The weakness was disclosed 05/23/2018 with Qualys as confirmed mailinglist post (oss-sec). The advisory is shared at seclists.org. This vulnerability is uniquely identified as CVE-2018-1122 since 12/04/2017. An attack has to be approached locally. No form of authentication is needed for exploitation. Technical details and a public exploit are known. MITRE ATT&CK project uses the attack technique T1068 for this issue.

The exploit is shared for download at exploit-db.com. It is declared as proof-of-concept. The vulnerability was handled as a non-public zero-day exploit for at least 6 days. During that time the estimated underground price was around $0-$5k. The vulnerability scanner Nessus provides a plugin with the ID 110094 (Ubuntu 14.04 LTS / 16.04 LTS / 17.10 / 18.04 LTS : procps vulnerabilities (USN-3658-1)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Ubuntu Local Security Checks and running in the context l. The commercial vulnerability scanner Qualys is able to test this issue with plugin 171725 (SUSE Enterprise Linux Security Update for procps (SUSE-SU-2018:2451-2)).

Upgrading to version 3.3.15 eliminates this vulnerability. A possible mitigation has been published immediately after the disclosure of the vulnerability.

The vulnerability is also documented in the databases at Exploit-DB (44806), Tenable (110094) and SecurityFocus (BID 104214†). The entries VDB-118115, VDB-118116, VDB-118138 and VDB-118140 are pretty similar. Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Productinfo

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Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.5
VulDB Meta Temp Score: 6.4

VulDB Base Score: 5.3
VulDB Temp Score: 4.8
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 7.0
NVD Vector: 🔍

CNA Base Score: 7.3
CNA Vector (Red Hat, Inc.): 🔍

CVSSv2info

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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
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Exploitinginfo

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

Physical: Partially
Local: Yes
Remote: Partially

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

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 110094
Nessus Name: Ubuntu 14.04 LTS / 16.04 LTS / 17.10 / 18.04 LTS : procps vulnerabilities (USN-3658-1)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

OpenVAS ID: 56355
OpenVAS Name: Debian Security Advisory DSA 4208-1 (procps - security update)
OpenVAS File: 🔍
OpenVAS Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Exploit-DB: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

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

Upgrade: procps-ng 3.3.15

Timelineinfo

12/04/2017 🔍
05/17/2018 +164 days 🔍
05/17/2018 +0 days 🔍
05/23/2018 +5 days 🔍
05/23/2018 +0 days 🔍
05/23/2018 +0 days 🔍
05/24/2018 +1 days 🔍
05/24/2018 +0 days 🔍
12/09/2024 +2391 days 🔍

Sourcesinfo

Advisory: USN-3658-1
Organization: Qualys
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2018-1122 (🔍)
GCVE (CVE): GCVE-0-2018-1122
GCVE (VulDB): GCVE-100-118137

OVAL: 🔍

SecurityFocus: 104214 - Procps-ng Procps Multiple Security Vulnerabilities

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

Entryinfo

Created: 05/24/2018 08:44
Updated: 12/09/2024 10:09
Changes: 05/24/2018 08:44 (77), 02/08/2020 11:28 (8), 03/14/2023 22:09 (4), 03/14/2023 22:20 (12), 03/14/2023 22:29 (1), 12/09/2024 10:09 (14)
Complete: 🔍
Cache ID: 216::103

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

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