CVE-2023-40184

xrdp is an open source remote desktop protocol RDP server. In versions prior to 0.9.23 improper handling of session establishment errors allows bypassing OS-level session restrictions. The authstartsession function can return non-zero 1 value on, e.g., PAM error which may result in in session...

Metasploit Weekly Wrap-Up

Cloud Fun With EC2 New ground was broken today with the addition of two PRs from community contributor sempervictus, also known as RageLtMan, who added the ability for Metasploit to establish sessions to EC2 instances using Amazon's SSM interface, which provides a public API to execute commands o...

CVE-2023-31127

libspdm is a sample implementation that follows the DMTF SPDM specifications. A vulnerability has been identified in SPDM session establishment in libspdm prior to version 2.3.1. If a device supports both DHE session and PSK session with mutual authentication, the attacker may be able to establis...

Authentication flaw

libspdm is a sample implementation that follows the DMTF SPDM specifications. A vulnerability has been identified in SPDM session establishment in libspdm prior to version 2.3.1. If a device supports both DHE session and PSK session with mutual authentication, the attacker may be able to establis...

CVE-2023-31127 DMTF-2023-0001: SPDM mutual authentication bypass

libspdm is a sample implementation that follows the DMTF SPDM specifications. A vulnerability has been identified in SPDM session establishment in libspdm prior to version 2.3.1. If a device supports both DHE session and PSK session with mutual authentication, the attacker may be able to establis...

CVE-2023-31127 DMTF-2023-0001: SPDM mutual authentication bypass

libspdm is a sample implementation that follows the DMTF SPDM specifications. A vulnerability has been identified in SPDM session establishment in libspdm prior to version 2.3.1. If a device supports both DHE session and PSK session with mutual authentication, the attacker may be able to establis...

CVE-2023-31127

The connected sources describe CVE-2023-31127 in libspdm: a vulnerability in SPDM session establishment where, if a device supports both DHE and PSK sessions with mutual authentication, an attacker could establish a session via KEY_EXCHANGE and PSK_FINISH to bypass mutual authentication. Affected...

CVE-2022-39063

When Open5GS UPF receives a PFCP Session Establishment Request, it stores related values for building the PFCP Session Establishment Response. Once UPF receives a request, it gets the fteidlen from incoming message, and then uses it to copy data from incoming message to struct fteid without...

CVE-2022-39063

When Open5GS UPF receives a PFCP Session Establishment Request, it stores related values for building the PFCP Session Establishment Response. Once UPF receives a request, it gets the fteidlen from incoming message, and then uses it to copy data from incoming message to struct fteid without...

Server side request forgery (ssrf)

When Open5GS UPF receives a PFCP Session Establishment Request, it stores related values for building the PFCP Session Establishment Response. Once UPF receives a request, it gets the fteidlen from incoming message, and then uses it to copy data from incoming message to struct fteid without...

CVE-2022-39063

Open5GS UPF contains a vulnerability (CVE-2022-39063) in PFCP Session Establishment handling: on receiving a request, it copies data into f_teid without validating the maximum length, so if pdi.local_f_teid.len exceeds the bound, memcpy overwrites fields (e.g., f_teid_len) after f_teid, and the o...

CVE-2022-39063

When Open5GS UPF receives a PFCP Session Establishment Request, it stores related values for building the PFCP Session Establishment Response. Once UPF receives a request, it gets the fteidlen from incoming message, and then uses it to copy data from incoming message to struct fteid without...

CVE-2022-39063

When Open5GS UPF receives a PFCP Session Establishment Request, it stores related values for building the PFCP Session Establishment Response. Once UPF receives a request, it gets the fteidlen from incoming message, and then uses it to copy data from incoming message to struct fteid without...

CVE-2021-41794

ogsfqdnparse in Open5GS 1.0.0 through 2.3.3 inappropriately trusts a client-supplied length value, leading to a buffer overflow. The attacker can send a PFCP Session Establishment Request with "internet" as the PDI Network Instance. The first character is interpreted as a length value to be used ...

Buffer overflow

ogsfqdnparse in Open5GS 1.0.0 through 2.3.3 inappropriately trusts a client-supplied length value, leading to a buffer overflow. The attacker can send a PFCP Session Establishment Request with "internet" as the PDI Network Instance. The first character is interpreted as a length value to be used ...

CVE-2021-41794

ogsfqdnparse in Open5GS 1.0.0 through 2.3.3 inappropriately trusts a client-supplied length value, leading to a buffer overflow. The attacker can send a PFCP Session Establishment Request with "internet" as the PDI Network Instance. The first character is interpreted as a length value to be used ...

CVE-2021-41794

Open5GS CVE-2021-41794 affects Open5GS versions 1.0.0–2.3.3. The function ogs_fqdn_parse trusts a client-supplied length and uses it in a memcpy into a 100-byte stack buffer, enabling a buffer overflow when processing a PFCP Session Establishment Request with a crafted PDI Network Instance (e.g.,...

CVE-2021-41794

ogsfqdnparse in Open5GS 1.0.0 through 2.3.3 inappropriately trusts a client-supplied length value, leading to a buffer overflow. The attacker can send a PFCP Session Establishment Request with "internet" as the PDI Network Instance. The first character is interpreted as a length value to be used ...

The vulnerability of the BN_GF2m_mod_inv function in the OpenSSL library, which allows a hacker to cause a service failure.

The vulnerability of the BNGF2mmodinv function crypto/bn/bngf2m.c in the OpenSSL library is related to resource management errors. Exploiting this vulnerability can allow a malicious actor to cause service interruptions due to errors occurring during the establishment of a connection session. Thi...

Apache Qpid Session.gap Denial of Service (CVE-2015-0203)

A denial of service vulnerability exists in Apache Qpid. The vulnerability is due to an assertion failure prior to session establishment when processing the session.gap control segment. A remote, authenticated attacker could exploit this vulnerability by sending an out of sequence session.gap...