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  • #8558

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Opened Feb 23, 2018 by Alicha CH@alichaReporter
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[3.7] libvncserver: Improper input sanitization in rfbProcessClientNormalMessage in rfbserver.c ((CVE-2018-7225)

An issue was discovered in LibVNCServer through 0.9.11. rfbProcessClientNormalMessage() in rfbserver.c does not sanitize msg.cct.length, leading to access
to uninitialized and potentially sensitive data or possibly unspecified other impact (e.g., an integer overflow) via specially crafted VNC packets.

References:

https://github.com/LibVNC/libvncserver/issues/218
http://www.openwall.com/lists/oss-security/2018/02/18/1

(from redmine: issue id 8558, created on 2018-02-23, closed on 2018-08-09)

  • Relations:
    • parent #8556 (closed)
  • Changesets:
    • Revision 3eddf551 by prs pkt on 2018-08-08T15:44:31Z:
main/libvncserver: fix CVE-2018-7225

fixes #8558
To upload designs, you'll need to enable LFS and have admin enable hashed storage. More information
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Normal tag:security type:bug
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Reference: alpine/aports#8558