CVE-2022-39257 Matrix iOS SDK vulnerable to impersonation via forwarded Megolm sessions

Matrix iOS SDK allows developers to build iOS apps compatible with Matrix. Prior to version 0.23.19, an attacker cooperating with a malicious homeserver can construct messages appearing to have come from another person. Such messages will be marked with a grey shield on some platforms, but this m...

CVE-2022-39257

The CVE concerns Matrix iOS SDK prior to 0.23.19, where a too-permissive key forwarding policy allows an attacker coordinating with a malicious homeserver to create messages that appear to come from another user. The SDK now enforces stricter forwarding: forwarded keys are accepted only in respon...

DEBIAN-CVE-2022-39249

Matrix Javascript SDK is the Matrix Client-Server SDK for JavaScript. Prior to version 19.7.0, an attacker cooperating with a malicious homeserver can construct messages appearing to have come from another person. Such messages will be marked with a grey shield on some platforms, but this may be...

CVE-2022-39246

matrix-android-sdk2 is the Matrix SDK for Android. Prior to version 1.5.1, an attacker cooperating with a malicious homeserver can construct messages appearing to have come from another person. Such messages will be marked with a grey shield on some platforms, but this may be missing in others...

Design/Logic Flaw

Matrix Javascript SDK is the Matrix Client-Server SDK for JavaScript. Prior to version 19.7.0, an attacker cooperating with a malicious homeserver can construct messages appearing to have come from another person. Such messages will be marked with a grey shield on some platforms, but this may be...

UBUNTU-CVE-2022-39249

Matrix Javascript SDK is the Matrix Client-Server SDK for JavaScript. Prior to version 19.7.0, an attacker cooperating with a malicious homeserver can construct messages appearing to have come from another person. Such messages will be marked with a grey shield on some platforms, but this may be...

CVE-2022-39249

Matrix Javascript SDK is the Matrix Client-Server SDK for JavaScript. Prior to version 19.7.0, an attacker cooperating with a malicious homeserver can construct messages appearing to have come from another person. Such messages will be marked with a grey shield on some platforms, but this may be...

Design/Logic Flaw

matrix-android-sdk2 is the Matrix SDK for Android. Prior to version 1.5.1, an attacker cooperating with a malicious homeserver can construct messages appearing to have come from another person. Such messages will be marked with a grey shield on some platforms, but this may be missing in others...

CVE-2022-39246 matrix-android-sdk2 vulnerable to impersonation via forwarded Megolm sessions

matrix-android-sdk2 is the Matrix SDK for Android. Prior to version 1.5.1, an attacker cooperating with a malicious homeserver can construct messages appearing to have come from another person. Such messages will be marked with a grey shield on some platforms, but this may be missing in others...

CVE-2022-39246 matrix-android-sdk2 vulnerable to impersonation via forwarded Megolm sessions

matrix-android-sdk2 is the Matrix SDK for Android. Prior to version 1.5.1, an attacker cooperating with a malicious homeserver can construct messages appearing to have come from another person. Such messages will be marked with a grey shield on some platforms, but this may be missing in others...

CVE-2022-39246

matrix-android-sdk2 is the Matrix SDK for Android. Prior to version 1.5.1, an attacker cooperating with a malicious homeserver can construct messages appearing to have come from another person. Such messages will be marked with a grey shield on some platforms, but this may be missing in others...

CVE-2022-39246 matrix-android-sdk2 vulnerable to impersonation via forwarded Megolm sessions

matrix-android-sdk2 is the Matrix SDK for Android. Prior to version 1.5.1, an attacker cooperating with a malicious homeserver can construct messages appearing to have come from another person. Such messages will be marked with a grey shield on some platforms, but this may be missing in others...

CVE-2022-39246

matrix-android-sdk2 (Android Matrix SDK) before version 1.5.1 is vulnerable: an attacker collaborating with a malicious homeserver can craft messages that appear from another user due to an overly permissive key-forwarding policy. Starting with 1.5.1, the default key-forwarding policy is stricter...

CVE-2022-39249 Matrix Javascript SDK vulnerable to impersonation via forwarded Megolm sessions

Matrix Javascript SDK is the Matrix Client-Server SDK for JavaScript. Prior to version 19.7.0, an attacker cooperating with a malicious homeserver can construct messages appearing to have come from another person. Such messages will be marked with a grey shield on some platforms, but this may be...

CVE-2022-39246: Key Exchange without Entity Authentication

matrix-android-sdk2 is the Matrix SDK for Android. Prior to version 1.5.1, an attacker cooperating with a malicious homeserver can construct messages appearing to have come from another person. Such messages will be marked with a grey shield on some platforms, but this may be missing in others...

Matrix 授权问题漏洞

Matrix is an ambitious new ecosystem for open federated instant messaging and VoIP. A security vulnerability exists in the Matrix Javascript SDK prior to version 19.7.0, which stems from matrix-js-sdk implementing an overly lax key forwarding policy on the receiving end...

CVE-2022-39249 Matrix Javascript SDK vulnerable to impersonation via forwarded Megolm sessions

Matrix Javascript SDK is the Matrix Client-Server SDK for JavaScript. Prior to version 19.7.0, an attacker cooperating with a malicious homeserver can construct messages appearing to have come from another person. Such messages will be marked with a grey shield on some platforms, but this may be...

CVE-2022-39249

Removed by vendor...

Matrix 安全漏洞

Matrix is an ambitious new ecosystem for open federated instant messaging and VoIP. A security vulnerability exists in versions of Matrix matrix-android-sdk2 prior to 1.5.1, which stems from the fact that its matrix-android-sdk2 implements an overly lax key-forwarding policy on the receiving end...

CVE-2022-39249 Matrix Javascript SDK vulnerable to impersonation via forwarded Megolm sessions

Matrix Javascript SDK is the Matrix Client-Server SDK for JavaScript. Prior to version 19.7.0, an attacker cooperating with a malicious homeserver can construct messages appearing to have come from another person. Such messages will be marked with a grey shield on some platforms, but this may be...