vncterm: CVE-2018-7226: integer overflow in vcSetXCutTextProc in VNConsole.c

Related Vulnerabilities: CVE-2018-7226  

Debian Bug report logs - #898453
vncterm: CVE-2018-7226: integer overflow in vcSetXCutTextProc in VNConsole.c

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Reported by: Salvatore Bonaccorso <carnil@debian.org>

Date: Fri, 11 May 2018 19:54:02 UTC

Severity: grave

Tags: security, upstream

Found in version vncterm/0.9.10-1

Forwarded to https://github.com/LibVNC/vncterm/issues/6

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Report forwarded to debian-bugs-dist@lists.debian.org, carnil@debian.org, team@security.debian.org, team@security.debian.org, Peter Spiess-Knafl <dev@spiessknafl.at>:
Bug#898453; Package src:vncterm. (Fri, 11 May 2018 19:54:04 GMT) (full text, mbox, link).


Acknowledgement sent to Salvatore Bonaccorso <carnil@debian.org>:
New Bug report received and forwarded. Copy sent to carnil@debian.org, team@security.debian.org, team@security.debian.org, Peter Spiess-Knafl <dev@spiessknafl.at>. (Fri, 11 May 2018 19:54:04 GMT) (full text, mbox, link).


Message #5 received at submit@bugs.debian.org (full text, mbox, reply):

From: Salvatore Bonaccorso <carnil@debian.org>
To: Debian Bug Tracking System <submit@bugs.debian.org>
Subject: vncterm: CVE-2018-7226: integer overflow in vcSetXCutTextProc in VNConsole.c
Date: Fri, 11 May 2018 21:50:27 +0200
Source: vncterm
Version: 0.9.10-1
Severity: important
Tags: security upstream
Forwarded: https://github.com/LibVNC/vncterm/issues/6

Hi,

The following vulnerability was published for vncterm.

CVE-2018-7226[0]:
| An issue was discovered in vcSetXCutTextProc() in VNConsole.c in
| LinuxVNC and VNCommand from the LibVNC/vncterm distribution through
| 0.9.10. Missing sanitization of the client-specified message length may
| cause integer overflow or possibly have unspecified other impact via a
| specially crafted VNC packet.

If you fix the vulnerability please also make sure to include the
CVE (Common Vulnerabilities & Exposures) id in your changelog entry.

For further information see:

[0] https://security-tracker.debian.org/tracker/CVE-2018-7226
    https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-7226
[1] https://github.com/LibVNC/vncterm/issues/6

Regards,
Salvatore



Severity set to 'grave' from 'important' Request was from Moritz Muehlenhoff <jmm@debian.org> to control@bugs.debian.org. (Tue, 17 Jul 2018 21:45:02 GMT) (full text, mbox, link).


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