Integer Overflow Vulnerability in Procps-ng Affects Multiple Linux Distributions
CVE-2018-1124

7.3HIGH

Key Information:

Vendor

[unknown]

Status
Procps-ng
Vendor
CVE Published:
23 May 2018

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2018-1124?

An integer overflow vulnerability exists in Procps-ng prior to version 3.3.15, specifically within the file2strvec function. This security flaw can be exploited by local attackers who create entries in procfs by initiating processes. Successful exploitation may result in a heap corruption, potentially allowing these attackers to execute arbitrary code within proc utilities that are executed by other users, or even cause system crashes.

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Affected Version(s)

procps-ng procps-ng 3.3.15

Exploit Proof of Concept (PoC)

PoC code is written by security researchers to demonstrate the vulnerability can be exploited. PoC code is also a key component for weaponization which could lead to ransomware.

CVE-2018-1124 - Proof of Concept

References

https://usn.ubuntu.com/3658-1/
vendor-advisoryx_refsource_UBUNTU
https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2018-1124
x_refsource_CONFIRM
https://www.debian.org/security/2018/dsa-4208
vendor-advisoryx_refsource_DEBIAN

CVSS V3.1

Score:
7.3
Severity:
HIGH
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Local
Attack Complexity:
Low
Privileges Required:
Low
User Interaction:
Required
Scope:
Unchanged

CVSS V3.0

Score:
7.3
Severity:
HIGH
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Local
Attack Complexity:
Low
Privileges Required:
Low
User Interaction:
Required
Scope:
Unchanged

Timeline

  • 🟡

    Public PoC available

  • 👾

    Exploit known to exist

  • Vulnerability published

  • Vulnerability Reserved

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