Rapid 7 - CVE-2022-21587: Rapid7 Observed Exploitation of Oracle E-Business Suite Vulnerability

CVE-2022-21587: Rapid7 Observed Exploitation of Oracle E-Business Suite Vulnerability

Emergent threats evolve quickly, and as we learn more about this vulnerability, this blog post will evolve, too.

Rapid7 is responding to various compromises arising from the exploitation of CVE-2022-21587, a critical arbitrary file upload vulnerability (rated 9.8 on the CVSS v3 risk metric) impacting Oracle E-Business Suite (EBS). Oracle published a Critical Patch Update Advisory in October 2022 which included a fix, meanwhile, CISA added CVE-2022-21587 to its Known Exploited Vulnerabilities (KEV) catalog on February 2, 2023.

Oracle E-Business Suite is a packaged collection of enterprise applications for a wide variety of tasks such as customer relationship management (CRM), enterprise resource planning (ERP), and human capital management (HCM).

CVE-2022-21587 can lead to unauthenticated remote code execution.

On January 16, 2023, Viettel Security published an analysis of the issue detailing both the vulnerability's root cause and a method of leveraging the vulnerability to gain code execution. An exploit based on the Viettel Security analysis technique was published on GitHub by “HMs” on February 6, 2023.

Affected products

  • Oracle Web Applications Desktop Integrator as shipped with Oracle E-Business Suite versions 12.2.3 through 12.2.11 are vulnerable.

What we’re seeing

The attacker(s) are using the above-mentioned proof of concept exploit, uploading a perl script, which fetches (via curl/wget) additional scripts to download a malicious binary payload making the victim host part of a botnet.

Rapid7 customers

InsightVM & Nexpose customers: Authenticated vulnerability checks for CVE-2022-21587 have been available since November 2022. Note that these require valid Oracle Database credentials to be configured in order to collect the relevant patch level information.

InsightIDR & Managed Detection & Response (MDR) customers: in our current investigations, the previously existing detections have been triggering post exploitation:

  • Suspicious Process - Wget to External IP Address
  • Attacker Technique - Curl or Wget To Public IP Address With Non Standard Port

We’re also testing new rules more specific to Oracle E-Business Suite.



from Rapid7 Blog https://blog.rapid7.com/2023/02/07/etr-cve-2022-21587-rapid7-observed-exploitation-of-oracle-e-business-suite-vulnerability/

Comments

Post a Comment

Popular posts from this blog

Krebs - NY Charges First American Financial for Massive Data Leak

Image
In May 2019, KrebsOnSecurity broke the news that the website of mortgage title insurance giant First American Financial Corp. had exposed approximately 885 million records related to mortgage deals going back to 2003. On Wednesday, regulators in New York announced that First American was the target of their first ever cybersecurity enforcement action in connection with the incident, charges that could bring steep financial penalties. First American Financial Corp. Santa Ana, Calif.-based  First American [ NYSE:FAF ] is a leading provider of title insurance and settlement services to the real estate and mortgage industries. It employs some 18,000 people and brought in $6.2 billion in 2019 . As first reported here last year , First American’s website exposed 16 years worth of digitized mortgage title insurance records — including bank account numbers and statements, mortgage and tax records, Social Security numbers, wire transaction receipts, and drivers license images. The d...
Read more

KnowBe4 - Scam Of The Week: "When Users Add Their Names to a Wall of Shame"

Image
Eric Howes , KnowBe4 Principal Lab Researcher, found out about another insidious bad guy trick: " If you work in IT there has undoubtedly come a dark moment when you wondered to yourself just who among your employee users would be gullible enough to click through a phishing email and potentially bring down your organization. from KnowBe4 Security Awareness Training Blog https://blog.knowbe4.com/when-users-add-their-names-to-a-wall-of-shame
Read more