CVE-2025-68670
CriticalSummary
xrdp to otwartoźródłowy serwer RDP. W wersjach przed 0.10.5 występuje podatność na przepełnienie bufora na stosie, wynikająca z niewłaściwego sprawdzania granic podczas przetwarzania informacji o domenie użytkownika. W przypadku wykorzystania tej podatności, zdalni atakujący mogą wykonać dowolny kod na docelowym systemie.
Risk Assessment
Podatność ta pozwala atakującemu na nadpisanie bufora stosu oraz adresu powrotu, co może prowadzić do przekierowania przepływu wykonania. Ryzyko jest zmniejszone, jeśli użyto flagi kompilatora do zbudowania pliku wykonywalnego xrdp z ochroną stack canary.
Recommendation
Zaleca się aktualizację do wersji 0.10.5, aby otrzymać poprawkę. Dodatkowo, nie należy polegać na ochronie stack canary w systemach produkcyjnych.
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Original NVD description (English source)
xrdp is an open source RDP server. xrdp before v0.10.5 contains an unauthenticated stack-based buffer overflow vulnerability. The issue stems from improper bounds checking when processing user domain information during the connection sequence. If exploited, the vulnerability could allow remote attackers to execute arbitrary code on the target system. The vulnerability allows an attacker to overwrite the stack buffer and the return address, which could theoretically be used to redirect the execution flow. The impact of this vulnerability is lessened if a compiler flag has been used to build the xrdp executable with stack canary protection. If this is the case, a second vulnerability would need to be used to leak the stack canary value. Upgrade to version 0.10.5 to receive a patch. Additionally, do not rely on stack canary protection on production systems.
Vulnerability data from NVD (NIST) · CISA KEV · EPSS

