procps-ng up to 3.3.14 mmap memory corruption

CVSS Meta Temp Score
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CTI Interest Score
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6.0$0-$5k0.00

Summaryinfo

A vulnerability was found in procps-ng up to 3.3.14. It has been declared as critical. This impacts the function mmap. Executing a manipulation can lead to memory corruption. This vulnerability appears as CVE-2018-1123. The attack may be performed from remote. In addition, an exploit is available. It is recommended to upgrade the affected component.

Detailsinfo

A vulnerability has been found in procps-ng up to 3.3.14 and classified as critical. This vulnerability affects the function mmap. The manipulation with an unknown input leads to a memory corruption vulnerability. The CWE definition for the vulnerability is CWE-119. The product performs operations on a memory buffer, but it can read from or write to a memory location that is outside of the intended boundary of the buffer. As an impact it is known to affect confidentiality, integrity, and availability. CVE summarizes:

procps-ng before version 3.3.15 is vulnerable to a denial of service in ps via mmap buffer overflow. Inbuilt protection in ps maps a guard page at the end of the overflowed buffer, ensuring that the impact of this flaw is limited to a crash (temporary denial of service).

The bug was discovered 05/17/2018. The weakness was presented 05/23/2018 with Qualys as confirmed mailinglist post (oss-sec). The advisory is available at seclists.org. This vulnerability was named CVE-2018-1123 since 12/04/2017. The exploitation appears to be easy. The attack can be initiated remotely. No form of authentication is required for a successful exploitation. Technical details and also a public exploit are known.

It is possible to download the exploit 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†). See VDB-118115, VDB-118116, VDB-118137 and VDB-118140 for similar entries. If you want to get best quality of vulnerability data, you may have to visit VulDB.

Productinfo

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Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
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CVSSv3info

VulDB Meta Base Score: 6.2
VulDB Meta Temp Score: 6.0

VulDB Base Score: 7.3
VulDB Temp Score: 6.6
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 7.5
NVD Vector: 🔍

CNA Base Score: 3.9
CNA Vector (Red Hat, Inc.): 🔍

CVSSv2info

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VulDB Base Score: 🔍
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Exploitinginfo

Class: Memory corruption
CWE: CWE-119
CAPEC: 🔍
ATT&CK: 🔍

Physical: Partially
Local: Yes
Remote: Yes

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: 🔍
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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 🔍
12/08/2024 +2390 days 🔍

Sourcesinfo

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

CVE: CVE-2018-1123 (🔍)
GCVE (CVE): GCVE-0-2018-1123
GCVE (VulDB): GCVE-100-118138

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 08:53
Updated: 12/08/2024 20:48
Changes: 05/24/2018 08:53 (77), 02/08/2020 11:35 (8), 03/17/2023 06:32 (4), 03/17/2023 06:44 (12), 12/08/2024 20:48 (14)
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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