FreeRDP before 3.31.0 Information Disclosure via uninitialized heap memory
Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).
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| FreeRDP | FreeRDP | unaffected |
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No data.
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| Freerdp | Freerdp |
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No CVSS v3.0
No CVSS v2
This CVE is not in the KEV list.
Exploit prediction score: < 1% (0.382% probability within 30 days)
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| Metrics |
ssvc
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| References |
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| Metrics |
threat_severity
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threat_severity
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| Description | FreeRDP versions 3.0.0 through 3.30.0 (before 3.31.0) transmit uninitialized heap memory in Save Session Info PDU reserved padding fields. Three PDU writers in libfreerdp/core/info.c (rdp_write_logon_info_v2, rdp_write_logon_info_plain, and rdp_write_logon_info_ex) use Stream_Seek instead of Stream_Zero for reserved pad bytes (up to 576 bytes), leaving previously freed heap contents in the outgoing PDU. Because the send buffer is allocated with malloc (not zeroed), stale heap data — which may include cleartext credentials from prior sessions — can be sent to the receiving peer. FreeRDP-based servers using rdpUpdate::SaveSessionInfo and freerdp-proxy (which forwards these PDUs) are affected, allowing disclosure of server/proxy process memory to a downstream client. | |
| Title | FreeRDP before 3.31.0 Information Disclosure via uninitialized heap memory | |
| First Time appeared |
Freerdp
Freerdp freerdp |
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| Weaknesses | CWE-908 | |
| CPEs | cpe:2.3:a:freerdp:freerdp:*:*:*:*:*:*:*:* | |
| Vendors & Products |
Freerdp
Freerdp freerdp |
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| References |
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| Metrics |
cvssV3_1
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