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medium advisory

Multiple Vulnerabilities in Red Hat Hardened Images RPMs

A remote, anonymous attacker can exploit multiple vulnerabilities in Red Hat Hardened Images RPMs to cause a denial-of-service condition and possibly manipulate data or perform path traversal attacks.

Multiple vulnerabilities exist within Red Hat Hardened Images RPMs that could be exploited by a remote, anonymous attacker. These vulnerabilities could lead to a denial-of-service (DoS) condition, potentially impacting the availability of systems utilizing the affected images. Furthermore, the attacker may be able to manipulate data or execute path traversal attacks, potentially leading to unauthorized access to sensitive information or system resources. The specific nature of the vulnerabilities is not detailed in this report, but the potential impact on systems using Red Hat Hardened Images necessitates prompt attention from security teams.

Attack Chain

  1. The attacker identifies a vulnerable Red Hat Hardened Images RPM version deployed on a target system.
  2. The attacker crafts a malicious request or payload targeting one of the vulnerabilities in the RPM. Due to lack of specifics on the vulnerability, these actions are speculative.
  3. The attacker sends the crafted request/payload to the target system.
  4. If successful, the vulnerability allows the attacker to trigger a denial-of-service condition, causing the system to become unresponsive.
  5. Alternatively, the attacker manipulates data by exploiting a vulnerability allowing modification of files or configuration settings.
  6. In another scenario, the attacker performs a path traversal attack to access unauthorized files and directories on the system.
  7. The attacker may use the path traversal vulnerability to read sensitive configuration files or system binaries.
  8. The attacker may then exfiltrate the sensitive information or escalate privileges to gain further control of the system.

Impact

Successful exploitation of these vulnerabilities can lead to a denial-of-service condition, disrupting the availability of critical services. Data manipulation could compromise the integrity of information stored on the affected systems. Path traversal attacks could expose sensitive information or allow attackers to gain unauthorized access to system resources, potentially leading to further compromise.

Recommendation

  • Investigate the usage of Red Hat Hardened Images RPMs within your environment.
  • Monitor systems utilizing Red Hat Hardened Images RPMs for unusual activity or signs of compromise.
  • Apply relevant patches or updates provided by Red Hat for Hardened Images RPMs as soon as they become available to remediate the vulnerabilities described in this brief.

Detection coverage 2

Detect Potential Path Traversal Attempts via Process Creation

low

Detects potential path traversal attempts in process creation events by monitoring for '../../' sequences in command lines. This is a generic rule and may need tuning.

sigma tactics: initial_access techniques: T1190 sources: process_creation, linux

Detect Suspicious RPM Process Execution

medium

Detects execution of RPM processes from unusual locations, which could indicate malicious activity related to compromised RPM packages. Requires tuning based on typical RPM usage.

sigma tactics: persistence techniques: T1542.004 sources: process_creation, linux

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