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cvelistGitHub_MCVELIST:CVE-2023-42799
HistoryDec 14, 2023 - 4:47 p.m.

CVE-2023-42799 Buffer overflow due to use of `strcpy` in `parseUrlAddrFromRtspUrlString`

2023-12-1416:47:00
CWE-120
GitHub_M
www.cve.org
cve-2023-42799
buffer overflow
moonlight-common-c
gamestream
remote code execution
exploit
vulnerability
bounds checking
unsafe c functions
rce
mitigations.

8.8 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

REQUIRED

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

0.004 Low

EPSS

Percentile

72.7%

Moonlight-common-c contains the core GameStream client code shared between Moonlight clients. Moonlight-common-c is vulnerable to buffer overflow starting in commit 50c0a51b10ecc5b3415ea78c21d96d679e2288f9 due to unmitigated usage of unsafe C functions and improper bounds checking. A malicious game streaming server could exploit a buffer overflow vulnerability to crash a moonlight client, or achieve remote code execution (RCE) on the client (with insufficient exploit mitigations or if mitigations can be bypassed). The bug was addressed in commit 02b7742f4d19631024bd766bd2bb76715780004e.

CNA Affected

[
  {
    "vendor": "moonlight-stream",
    "product": "moonlight-common-c",
    "versions": [
      {
        "version": ">= 50c0a51b10ecc5b3415ea78c21d96d679e2288f9, < 02b7742f4d19631024bd766bd2bb76715780004e",
        "status": "affected"
      }
    ]
  }
]

8.8 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

REQUIRED

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

0.004 Low

EPSS

Percentile

72.7%

Related for CVELIST:CVE-2023-42799