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openSUSE-SU-2020:0988-1

Опубликовано: 18 июл. 2020
Источник: suse-cvrf

Описание

Security update for LibVNCServer

This update for LibVNCServer fixes the following issues:

  • security update
  • added patches fix CVE-2018-21247 [bsc#1173874], uninitialized memory contents are vulnerable to Information leak
    • LibVNCServer-CVE-2018-21247.patch fix CVE-2019-20839 [bsc#1173875], buffer overflow in ConnectClientToUnixSock()
    • LibVNCServer-CVE-2019-20839.patch fix CVE-2019-20840 [bsc#1173876], unaligned accesses in hybiReadAndDecode can lead to denial of service
    • LibVNCServer-CVE-2019-20840.patch fix CVE-2020-14398 [bsc#1173880], improperly closed TCP connection causes an infinite loop in libvncclient/sockets.c
    • LibVNCServer-CVE-2020-14398.patch fix CVE-2020-14397 [bsc#1173700], NULL pointer dereference in libvncserver/rfbregion.c
    • LibVNCServer-CVE-2020-14397.patch fix CVE-2020-14399 [bsc#1173743], Byte-aligned data is accessed through uint32_t pointers in libvncclient/rfbproto.c.
    • LibVNCServer-CVE-2020-14399.patch fix CVE-2020-14400 [bsc#1173691], Byte-aligned data is accessed through uint16_t pointers in libvncserver/translate.c.
    • LibVNCServer-CVE-2020-14400.patch fix CVE-2020-14401 [bsc#1173694], potential integer overflows in libvncserver/scale.c
    • LibVNCServer-CVE-2020-14401.patch fix CVE-2020-14402 [bsc#1173701], out-of-bounds access via encodings.
    • LibVNCServer-CVE-2020-14402,14403,14404.patch fix CVE-2017-18922 [bsc#1173477], preauth buffer overwrite

This update was imported from the SUSE:SLE-15:Update update project.

Список пакетов

openSUSE Leap 15.1
LibVNCServer-devel-0.9.10-lp151.7.9.1
libvncclient0-0.9.10-lp151.7.9.1
libvncserver0-0.9.10-lp151.7.9.1

Ссылки

Описание

It was discovered that websockets.c in LibVNCServer prior to 0.9.12 did not properly decode certain WebSocket frames. A malicious attacker could exploit this by sending specially crafted WebSocket frames to a server, causing a heap-based buffer overflow.

Затронутые продукты
openSUSE Leap 15.1:LibVNCServer-devel-0.9.10-lp151.7.9.1
openSUSE Leap 15.1:libvncclient0-0.9.10-lp151.7.9.1
openSUSE Leap 15.1:libvncserver0-0.9.10-lp151.7.9.1
Ссылки

Описание

An issue was discovered in LibVNCServer before 0.9.13. There is an information leak (of uninitialized memory contents) in the libvncclient/rfbproto.c ConnectToRFBRepeater function.

Затронутые продукты
openSUSE Leap 15.1:LibVNCServer-devel-0.9.10-lp151.7.9.1
openSUSE Leap 15.1:libvncclient0-0.9.10-lp151.7.9.1
openSUSE Leap 15.1:libvncserver0-0.9.10-lp151.7.9.1
Ссылки

Описание

libvncclient/sockets.c in LibVNCServer before 0.9.13 has a buffer overflow via a long socket filename.

Затронутые продукты
openSUSE Leap 15.1:LibVNCServer-devel-0.9.10-lp151.7.9.1
openSUSE Leap 15.1:libvncclient0-0.9.10-lp151.7.9.1
openSUSE Leap 15.1:libvncserver0-0.9.10-lp151.7.9.1
Ссылки

Описание

An issue was discovered in LibVNCServer before 0.9.13. libvncserver/ws_decode.c can lead to a crash because of unaligned accesses in hybiReadAndDecode.

Затронутые продукты
openSUSE Leap 15.1:LibVNCServer-devel-0.9.10-lp151.7.9.1
openSUSE Leap 15.1:libvncclient0-0.9.10-lp151.7.9.1
openSUSE Leap 15.1:libvncserver0-0.9.10-lp151.7.9.1
Ссылки

Описание

An issue was discovered in LibVNCServer before 0.9.13. libvncserver/rfbregion.c has a NULL pointer dereference.

Затронутые продукты
openSUSE Leap 15.1:LibVNCServer-devel-0.9.10-lp151.7.9.1
openSUSE Leap 15.1:libvncclient0-0.9.10-lp151.7.9.1
openSUSE Leap 15.1:libvncserver0-0.9.10-lp151.7.9.1
Ссылки

Описание

An issue was discovered in LibVNCServer before 0.9.13. An improperly closed TCP connection causes an infinite loop in libvncclient/sockets.c.

Затронутые продукты
openSUSE Leap 15.1:LibVNCServer-devel-0.9.10-lp151.7.9.1
openSUSE Leap 15.1:libvncclient0-0.9.10-lp151.7.9.1
openSUSE Leap 15.1:libvncserver0-0.9.10-lp151.7.9.1
Ссылки

Описание

** DISPUTED ** An issue was discovered in LibVNCServer before 0.9.13. Byte-aligned data is accessed through uint32_t pointers in libvncclient/rfbproto.c. NOTE: there is reportedly "no trust boundary crossed."

Затронутые продукты
openSUSE Leap 15.1:LibVNCServer-devel-0.9.10-lp151.7.9.1
openSUSE Leap 15.1:libvncclient0-0.9.10-lp151.7.9.1
openSUSE Leap 15.1:libvncserver0-0.9.10-lp151.7.9.1
Ссылки

Описание

** DISPUTED ** An issue was discovered in LibVNCServer before 0.9.13. Byte-aligned data is accessed through uint16_t pointers in libvncserver/translate.c. NOTE: Third parties do not consider this to be a vulnerability as there is no known path of exploitation or cross of a trust boundary.

Затронутые продукты
openSUSE Leap 15.1:LibVNCServer-devel-0.9.10-lp151.7.9.1
openSUSE Leap 15.1:libvncclient0-0.9.10-lp151.7.9.1
openSUSE Leap 15.1:libvncserver0-0.9.10-lp151.7.9.1
Ссылки

Описание

An issue was discovered in LibVNCServer before 0.9.13. libvncserver/scale.c has a pixel_value integer overflow.

Затронутые продукты
openSUSE Leap 15.1:LibVNCServer-devel-0.9.10-lp151.7.9.1
openSUSE Leap 15.1:libvncclient0-0.9.10-lp151.7.9.1
openSUSE Leap 15.1:libvncserver0-0.9.10-lp151.7.9.1
Ссылки

Описание

An issue was discovered in LibVNCServer before 0.9.13. libvncserver/corre.c allows out-of-bounds access via encodings.

Затронутые продукты
openSUSE Leap 15.1:LibVNCServer-devel-0.9.10-lp151.7.9.1
openSUSE Leap 15.1:libvncclient0-0.9.10-lp151.7.9.1
openSUSE Leap 15.1:libvncserver0-0.9.10-lp151.7.9.1
Ссылки
Уязвимость openSUSE-SU-2020:0988-1