Tóm tắt nhanh
- CVE-2025-61672 là lỗ hổng mức TRUNG BÌNH (CVSS 5.3) ảnh hưởng matrix-synapse.
- Xác suất bị khai thác trong 30 ngày tới (EPSS): 0.48%, cao hơn 41.2% các lỗ hổng khác.
- Cách xử lý: cập nhật lên 1.139.1, 1.138.3 hoặc mới hơn.
| Gói / sản phẩm | Phiên bản bị ảnh hưởng | Phiên bản đã vá |
|---|
| matrix-synapse PyPI | ≥ 1.139.0rc2, < 1.139.1< 1.138.3
| 1.139.11.138.3
|
Mô tả
Impact
Lack of validation for device keys in Synapse before 1.138.3 and in Synapse 1.139.0 allow an attacker registered on the victim homeserver to degrade federation functionality, unpredictably breaking outbound federation to other homeservers.
Patches
Patched in Synapse 1.138.3, 1.138.4, 1.139.1, and 1.139.2.
Note that even though 1.138.3 and 1.139.1 fix the vulnerability, they inadvertently introduced an unrelated regression. For this reason, it is recommend to skip these releases and upgrading straight to 1.138.4 and 1.139.2.
Workarounds
The vulnerability can only be exploited by users registered on the victim homeserver.
Mô tả của NVD
Synapse is an open source Matrix homeserver implementation. Lack of validation for device keys in Synapse before 1.138.3 and in Synapse 1.139.0 allow an attacker registered on the victim homeserver to degrade federation functionality, unpredictably breaking outbound federation to other homeservers. The issue is patched in Synapse 1.138.3, 1.138.4, 1.139.1, and 1.139.2. Note that even though 1.138.3 and 1.139.1 fix the vulnerability, they inadvertently introduced an unrelated regression. For this reason, the maintainers of Synapse recommend skipping these releases and upgrading straight to 1.138.4 and 1.139.2.
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