Debian Veyon vulnerabilities

CVE-2020-15261 [HIGH] CVE-2020-15261: veyon - On Windows the Veyon Service before version 4.4.2 contains an unquoted service p... On Windows the Veyon Service before version 4.4.2 contains an unquoted service path vulnerability, allowing locally authenticated users with administrative privileges to run malicious executables with LocalSystem privileges. Since Veyon users (both students and teachers) usually don't have administrative privileges, this vulnerability is only dangerous in anyway unsaf

CVE-2018-20020 [CRITICAL] CVE-2018-20020: libvncserver - LibVNC before commit 7b1ef0ffc4815cab9a96c7278394152bdc89dc4d contains heap out-... LibVNC before commit 7b1ef0ffc4815cab9a96c7278394152bdc89dc4d contains heap out-of-bound write vulnerability inside structure in VNC client code that can result remote code execution Scope: local bookworm: resolved (fixed in 0.9.11+dfsg-1.2) bullseye: resolved (fixed in 0.9.11+dfsg-1.2) forky: resolved (fixed in 0.9.11+dfsg-1.2) sid: resolved (fixed in 0.9.

CVE-2018-20748 [CRITICAL] CVE-2018-20748: libvncserver - LibVNC before 0.9.12 contains multiple heap out-of-bounds write vulnerabilities ... LibVNC before 0.9.12 contains multiple heap out-of-bounds write vulnerabilities in libvncclient/rfbproto.c. The fix for CVE-2018-20019 was incomplete. Scope: local bookworm: resolved (fixed in 0.9.11+dfsg-1.3) bullseye: resolved (fixed in 0.9.11+dfsg-1.3) forky: resolved (fixed in 0.9.11+dfsg-1.3) sid: resolved (fixed in 0.9.11+dfsg-1.3) trixie: resolved (f

CVE-2018-20022 [HIGH] CVE-2018-20022: libvncserver - LibVNC before 2f5b2ad1c6c99b1ac6482c95844a84d66bb52838 contains multiple weaknes... LibVNC before 2f5b2ad1c6c99b1ac6482c95844a84d66bb52838 contains multiple weaknesses CWE-665: Improper Initialization vulnerability in VNC client code that allows attacker to read stack memory and can be abuse for information disclosure. Combined with another vulnerability, it can be used to leak stack memory layout and in bypassing ASLR Scope: local bookworm: r

CVE-2018-20024 [HIGH] CVE-2018-20024: libvncserver - LibVNC before commit 4a21bbd097ef7c44bb000c3bd0907f96a10e4ce7 contains null poin... LibVNC before commit 4a21bbd097ef7c44bb000c3bd0907f96a10e4ce7 contains null pointer dereference in VNC client code that can result DoS. Scope: local bookworm: resolved (fixed in 0.9.11+dfsg-1.2) bullseye: resolved (fixed in 0.9.11+dfsg-1.2) forky: resolved (fixed in 0.9.11+dfsg-1.2) sid: resolved (fixed in 0.9.11+dfsg-1.2) trixie: resolved (fixed in 0.9.11+dfsg

CVE-2018-20021 [HIGH] CVE-2018-20021: libvncserver - LibVNC before commit c3115350eb8bb635d0fdb4dbbb0d0541f38ed19c contains a CWE-835... LibVNC before commit c3115350eb8bb635d0fdb4dbbb0d0541f38ed19c contains a CWE-835: Infinite loop vulnerability in VNC client code. Vulnerability allows attacker to consume excessive amount of resources like CPU and RAM Scope: local bookworm: resolved (fixed in 0.9.11+dfsg-1.2) bullseye: resolved (fixed in 0.9.11+dfsg-1.2) forky: resolved (fixed in 0.9.11+dfsg-1.

CVE-2018-20023 [HIGH] CVE-2018-20023: libvncserver - LibVNC before 8b06f835e259652b0ff026898014fc7297ade858 contains CWE-665: Imprope... LibVNC before 8b06f835e259652b0ff026898014fc7297ade858 contains CWE-665: Improper Initialization vulnerability in VNC Repeater client code that allows attacker to read stack memory and can be abuse for information disclosure. Combined with another vulnerability, it can be used to leak stack memory layout and in bypassing ASLR Scope: local bookworm: resolved (fi

CVE-2016-9942 [CRITICAL] CVE-2016-9942: libvncserver - Heap-based buffer overflow in ultra.c in LibVNCClient in LibVNCServer before 0.9... Heap-based buffer overflow in ultra.c in LibVNCClient in LibVNCServer before 0.9.11 allows remote servers to cause a denial of service (application crash) or possibly execute arbitrary code via a crafted FramebufferUpdate message with the Ultra type tile, such that the LZO payload decompressed length exceeds what is specified by the tile dimensions. Scope: lo

CVE-2016-9941 [CRITICAL] CVE-2016-9941: libvncserver - Heap-based buffer overflow in rfbproto.c in LibVNCClient in LibVNCServer before ... Heap-based buffer overflow in rfbproto.c in LibVNCClient in LibVNCServer before 0.9.11 allows remote servers to cause a denial of service (application crash) or possibly execute arbitrary code via a crafted FramebufferUpdate message containing a subrectangle outside of the client drawing area. Scope: local bookworm: resolved (fixed in 0.9.11+dfsg-1) bullseye:

CVE-2014-6052 [HIGH] CVE-2014-6052: libvncserver - The HandleRFBServerMessage function in libvncclient/rfbproto.c in LibVNCServer 0... The HandleRFBServerMessage function in libvncclient/rfbproto.c in LibVNCServer 0.9.9 and earlier does not check certain malloc return values, which allows remote VNC servers to cause a denial of service (application crash) or possibly execute arbitrary code by specifying a large screen size in a (1) FramebufferUpdate, (2) ResizeFrameBuffer, or (3) PalmVNCReSizeFr

CVE-2014-6051 [HIGH] CVE-2014-6051: libvncserver - Integer overflow in the MallocFrameBuffer function in vncviewer.c in LibVNCServe... Integer overflow in the MallocFrameBuffer function in vncviewer.c in LibVNCServer 0.9.9 and earlier allows remote VNC servers to cause a denial of service (crash) and possibly execute arbitrary code via an advertisement for a large screen size, which triggers a heap-based buffer overflow. Scope: local bookworm: resolved (fixed in 0.9.9+dfsg-6.1) bullseye: resolve