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CVE-2018-20749

Опубликовано: 06 янв. 2019
Источник: redhat
CVSS3: 7.5

Описание

LibVNC before 0.9.12 contains a heap out-of-bounds write vulnerability in libvncserver/rfbserver.c. The fix for CVE-2018-15127 was incomplete.

A flaw was found in libvncserver. An incomplete fix for CVE-2018-15127 leaves open an out-of-bounds write vulnerability in code for the file transfer extension. This vulnerability can be remotely exploited. The highest threat from this vulnerability is to data confidentiality and integrity as well as system availability.

Затронутые пакеты

ПлатформаПакетСостояниеРекомендацияРелиз
Red Hat Enterprise Linux 6libvncserverWill not fix
Red Hat Enterprise Linux 7libvncserverNot affected
Red Hat Enterprise Linux 8libvncserverNot affected

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Дополнительная информация

Статус:

Important
Дефект:
CWE-122
https://bugzilla.redhat.com/show_bug.cgi?id=1671403libvncserver: Heap out-of-bounds write in rfbserver.c in rfbProcessFileTransferReadBuffer() allows for potential code execution (Incomplete fix for CVE-2018-15127)

7.5 High

CVSS3

Связанные уязвимости

CVSS3: 9.8
ubuntu
около 7 лет назад

LibVNC before 0.9.12 contains a heap out-of-bounds write vulnerability in libvncserver/rfbserver.c. The fix for CVE-2018-15127 was incomplete.

CVSS3: 9.8
nvd
около 7 лет назад

LibVNC before 0.9.12 contains a heap out-of-bounds write vulnerability in libvncserver/rfbserver.c. The fix for CVE-2018-15127 was incomplete.

CVSS3: 9.8
debian
около 7 лет назад

LibVNC before 0.9.12 contains a heap out-of-bounds write vulnerability ...

CVSS3: 9.8
github
больше 3 лет назад

LibVNC before 0.9.12 contains a heap out-of-bounds write vulnerability in libvncserver/rfbserver.c. The fix for CVE-2018-15127 was incomplete.

CVSS3: 9.8
fstec
около 7 лет назад

Уязвимость компонента rfbserver.c кроссплатформенной библиотеки LibVNCServer, связанная с записью за границами буфера в памяти, позволяющая нарушителю вызвать отказ в обслуживании и получить несанкционированный доступ к конфиденциальным данным

7.5 High

CVSS3