CVE-2024-21733 Apache Tomcat HTTP Request Smuggling

CVE-2024-21733 Apache Tomcat HTTP Request Smuggling

Our security research team recently discovered a critical “0day” vulnerability which was assigned CVE-2024-21733. The vulnerability was discovered by xer0dayz from Sn1perSecurity LLC and allows attackers to force a victim’s browser to de-synchronize its connection with websites hosted on top of Apache Tomcat, causing sensitive data to be smuggled from the server and/or client connections. In some cases, this can leak sensitive data such as clear-text credentials.

Severity: CRITICAL | Exploit Available: Yes | Exploitability: Easy | Remotely Exploitable: Yes

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January 21, 2024 Attack Surface Management, Bug Bounties, CVE's, News, Penetration Testing, Threat Intelligence No comments yet
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Confluence RCE via OGNL template injection (CVE-2022-26134)

A critical vulnerability affecting the Atlassian Confluence was disclosed and designated CVE-2022-26134 which allows an un-authenticated attacker to execute arbitrary code on vulnerable servers. A number of Proof-of-Concept (PoC) exploits were published online and exploit activity is actively being observed. Given the impact and severity of the vulnerability, Sn1perSecurity has released an out-of-band update to help detect vulnerable servers in your environment using Sn1per Professional and Sn1per Enterprise.

Severity: CRITICAL | Exploit Available: Yes | Exploitability: Easy | Remotely Exploitable: Yes

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June 5, 2022 Attack Surface Management, Bug Bounties, CVE's, News, Penetration Testing, Threat Intelligence No comments yet
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BIG-IP iControl REST RCE (CVE-2022-1388) Detection with Sn1per Professional

A critical vulnerability affecting the F5 BIG-IP devices was disclosed and designated CVE-2022-1388 which allows an un-authenticated attacker to execute arbitrary code on vulnerable servers. A number of Proof-of-Concept (PoC) exploits were published online and exploit activity is actively being observed. Given the impact and severity of the vulnerability, Sn1perSecurity has released an out-of-band update to help detect vulnerable servers in your environment using Sn1per Professional.

Severity: CRITICAL | Exploit Available: Yes | Exploitability: Easy | Remotely Exploitable: Yes

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May 10, 2022 Attack Surface Management, Bug Bounties, CVE's, News, Penetration Testing, Threat Intelligence No comments yet

VMware Workspace ONE Access freemarker SSTI (CVE-2022-22954) Detection with Sn1per Professional

Information regarding a critical 0-day vulnerability affecting the VMware Workspace ONE Access and Identity Manager was disclosed and designated CVE-2022-22954 which allows an un-authenticated attacker to execute arbitrary code on vulnerable servers. On April 14th, CISA & US-Cert added CVE-2022-22954 to their catalog of known exploited vulnerabilities after a number of Proof-of-Concept (PoC) exploits were published online and exploit activity was actively observed. Given the impact and severity of the vulnerability, Sn1perSecurity has released an out-of-band update to help detect vulnerable servers in your environment using Sn1per Professional.

Severity: CRITICAL | Exploit Available: Yes | Exploitability: Easy | Remotely Exploitable: Yes

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April 14, 2022 Attack Surface Management, Bug Bounties, CVE's, News, Penetration Testing, Threat Intelligence No comments yet
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Spring4Shell (CVE-2022-22965) Detection with Sn1per Professional

On March 30, 2022, information regarding a critical 0-day vulnerability affecting the Spring Framework was disclosed and dubbed “Spring4Shell” CVE-2022-22965 which allows an un-authenticated attacker to execute arbitrary code on vulnerable servers. Given the impact and severity of the vulnerability, Sn1perSecurity has released an out-of-band update to help detect vulnerable and compromised servers in your environment using Sn1per Professional. This update also includes improved detection for Apache Tomcat which is required in order to exploit this vulnerability.

Severity: CRITICAL | Exploit Available: Yes | Exploitability: Easy | Remotely Exploitable: Yes

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April 11, 2022 Attack Surface Management, Bug Bounties, CVE's, News, Penetration Testing No comments yet