Описание
The rfbProcessClientNormalMessage function in libvncserver/rfbserver.c in LibVNCServer 0.9.9 and earlier allows remote attackers to cause a denial of service (divide-by-zero error and server crash) via a zero value in the scaling factor in a (1) PalmVNCSetScaleFactor or (2) SetScale message.
A divide-by-zero flaw was found in the way LibVNCServer handled the scaling factor when it was set to "0". A remote attacker could use this flaw to crash the VNC server using a malicious VNC client.
Затронутые пакеты
Платформа | Пакет | Состояние | Рекомендация | Релиз |
---|---|---|---|---|
Red Hat Enterprise Linux 5 | kdenetwork | Not affected | ||
Red Hat Enterprise Linux 6 | kdenetwork | Not affected | ||
Red Hat Enterprise Linux 6 | libvncserver | Fixed | RHSA-2014:1826 | 11.11.2014 |
Red Hat Enterprise Linux 7 | libvncserver | Fixed | RHSA-2014:1826 | 11.11.2014 |
Red Hat Enterprise Linux 7 | kdenetwork | Fixed | RHSA-2014:1827 | 11.11.2014 |
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Дополнительная информация
Статус:
EPSS
6 Medium
CVSS2
Связанные уязвимости
The rfbProcessClientNormalMessage function in libvncserver/rfbserver.c in LibVNCServer 0.9.9 and earlier allows remote attackers to cause a denial of service (divide-by-zero error and server crash) via a zero value in the scaling factor in a (1) PalmVNCSetScaleFactor or (2) SetScale message.
The rfbProcessClientNormalMessage function in libvncserver/rfbserver.c in LibVNCServer 0.9.9 and earlier allows remote attackers to cause a denial of service (divide-by-zero error and server crash) via a zero value in the scaling factor in a (1) PalmVNCSetScaleFactor or (2) SetScale message.
The rfbProcessClientNormalMessage function in libvncserver/rfbserver.c ...
The rfbProcessClientNormalMessage function in libvncserver/rfbserver.c in LibVNCServer 0.9.9 and earlier allows remote attackers to cause a denial of service (divide-by-zero error and server crash) via a zero value in the scaling factor in a (1) PalmVNCSetScaleFactor or (2) SetScale message.
EPSS
6 Medium
CVSS2