10 results (0.012 seconds)

CVSS: 7.8EPSS: 0%CPEs: 2EXPL: 0

02 Sep 2022 — libvncclient v0.9.13 was discovered to contain a memory leak via the function rfbClientCleanup(). Se ha detectado que libvncclient versión v0.9.13, contiene una pérdida de memoria por medio de la función rfbClientCleanup() • https://github.com/LibVNC/libvncserver/commit/bef41f6ec4097a8ee094f90a1b34a708fbd757ec • CWE-400: Uncontrolled Resource Consumption •

CVSS: 7.5EPSS: 0%CPEs: 5EXPL: 1

18 Nov 2020 — A divide by zero issue was found to occur in libvncserver-0.9.12. A malicious client could use this flaw to send a specially crafted message that, when processed by the VNC server, would lead to a floating point exception, resulting in a denial of service. Se encontró un problema de división por cero en libvncserver-0.9.12. Un cliente malicioso podría usar este fallo para enviar un mensaje especialmente diseñado que, cuando se procesaba mediante el servidor VNC, conduciría a una excepción de punto flot... • https://bugzilla.redhat.com/show_bug.cgi?id=1896739 • CWE-369: Divide By Zero •

CVSS: 9.8EPSS: 0%CPEs: 21EXPL: 0

30 Jun 2020 — 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. Se detectó que el archivo websockets.c en LibVNCServer versiones anteriores a 0.9.12, no decodificaba apropiadamente determinados tramas de WebSocket. Un atacante malicioso podría explotar esto mediante el envío de tramas de WebSocket especialmente diseñada... • http://lists.opensuse.org/opensuse-security-announce/2020-07/msg00020.html • CWE-122: Heap-based Buffer Overflow CWE-787: Out-of-bounds Write •

CVSS: 7.5EPSS: 0%CPEs: 8EXPL: 0

17 Jun 2020 — 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. **EN DISPUTA** Se detectó un problema en LibVNCServer versiones anteriores a 0.9.13. Los datos Byte-aligned son accedidos por medio de punteros uint32_t en la biblioteca libvncclient/rfbproto.c. • http://lists.opensuse.org/opensuse-security-announce/2020-07/msg00033.html •

CVSS: 7.5EPSS: 0%CPEs: 8EXPL: 0

17 Jun 2020 — 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 ** EN DISPUTA ** Se detectó un problema en LibVNCServer versiones anteriores a 0.9.13. Los datos Byte-aligned son accedidos por medio de punteros uint16_t en la biblioteca libvncserver/translate.c. NOTA: Los terceros no consideran que se ... • http://lists.opensuse.org/opensuse-security-announce/2020-07/msg00033.html •

CVSS: 6.5EPSS: 0%CPEs: 17EXPL: 0

17 Jun 2020 — An issue was discovered in LibVNCServer before 0.9.13. libvncserver/scale.c has a pixel_value integer overflow. Se detectó un problema en LibVNCServer versiones anteriores a 0.9.13. La biblioteca libvncserver/scale.c presenta un desbordamiento de enteros en la función pixel_value Ramin Farajpour Cami discovered that LibVNCServer incorrectly handled certain malformed unix socket names. A remote attacker could exploit this with a crafted socket name, leading to a denial of service, or possibly execute arbitra... • http://lists.opensuse.org/opensuse-security-announce/2020-07/msg00033.html • CWE-190: Integer Overflow or Wraparound •

CVSS: 7.5EPSS: 1%CPEs: 4EXPL: 0

05 Feb 2020 — A NULL pointer dereference flaw was found in the way LibVNCServer before 0.9.9 handled certain ClientCutText message. A remote attacker could use this flaw to crash the VNC server by sending a specially crafted ClientCutText message from a VNC client. Se encontró un fallo de desreferencia del puntero NULL en la manera en que LibVNCServer versiones anteriores a 0.9.9 manejaba determinado mensaje de ClientCutText. Un atacante remoto podría utilizar este fallo para bloquear el servidor VNC mediante el envío de... • http://lists.fedoraproject.org/pipermail/package-announce/2014-October/139654.html • CWE-476: NULL Pointer Dereference •

CVSS: 9.8EPSS: 0%CPEs: 14EXPL: 1

19 Feb 2018 — An issue was discovered in LibVNCServer through 0.9.11. rfbProcessClientNormalMessage() in rfbserver.c does not sanitize msg.cct.length, leading to access to uninitialized and potentially sensitive data or possibly unspecified other impact (e.g., an integer overflow) via specially crafted VNC packets. Se ha descubierto un problema en LibVNCServer hasta la versión 0.9.11. rfbProcessClientNormalMessage() en rfbserver.c no sanea msg.cct.length, lo que conduce a un acceso a datos no inicializados y potencialmen... • http://www.openwall.com/lists/oss-security/2018/02/18/1 • CWE-190: Integer Overflow or Wraparound CWE-805: Buffer Access with Incorrect Length Value •

CVSS: 9.8EPSS: 1%CPEs: 1EXPL: 0

31 Dec 2016 — 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. Desbordamiento de búfer basado en memoria dinámica en ultra.c en LibVNCClient en LibVNCServer en versiones anteriores a 0.9.11 permite a servidores remotos prov... • http://www.debian.org/security/2017/dsa-3753 • CWE-119: Improper Restriction of Operations within the Bounds of a Memory Buffer •

CVSS: 9.8EPSS: 1%CPEs: 1EXPL: 0

31 Dec 2016 — 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. Desbordamiento de búfer basado en memoria dinámica en rfbproto.c en LibVNCClient en LibVNCServer en versiones anteriores a 0.9.11 permite a servidores remotos provocar una denegación de servicio (caída de aplicación) ... • http://www.debian.org/security/2017/dsa-3753 • CWE-119: Improper Restriction of Operations within the Bounds of a Memory Buffer •