CVSS: 6.5EPSS: 0%CPEs: 4EXPL: 0CVE-2023-43785 – Libx11: out-of-bounds memory access in _xkbreadkeysyms()
https://notcve.org/view.php?id=CVE-2023-43785
A vulnerability was found in libX11 due to a boundary condition within the _XkbReadKeySyms() function. This flaw allows a local user to trigger an out-of-bounds read error and read the contents of memory on the system. Se encontró una vulnerabilidad en libX11 debido a una condición de los límite dentro de la función _XkbReadKeySyms(). Esta falla permite a un usuario local desencadenar un error de lectura fuera de los límites y leer el contenido de la memoria del sistema. • https://access.redhat.com/errata/RHSA-2024:2145 https://access.redhat.com/errata/RHSA-2024:2973 https://access.redhat.com/security/cve/CVE-2023-43785 https://bugzilla.redhat.com/show_bug.cgi?id=2242252 https://security.netapp.com/advisory/ntap-20231103-0006 • CWE-125: Out-of-bounds Read CWE-787: Out-of-bounds Write •
CVSS: 7.8EPSS: 0%CPEs: 4EXPL: 0CVE-2023-43787 – Libx11: integer overflow in xcreateimage() leading to a heap overflow
https://notcve.org/view.php?id=CVE-2023-43787
A vulnerability was found in libX11 due to an integer overflow within the XCreateImage() function. This flaw allows a local user to trigger an integer overflow and execute arbitrary code with elevated privileges. Se encontró una vulnerabilidad en libX11 debido a un desbordamiento de enteros dentro de la función XCreateImage(). Esta falla permite a un usuario local desencadenar un desbordamiento de enteros y ejecutar código arbitrario con privilegios elevados. • http://www.openwall.com/lists/oss-security/2024/01/24/9 https://access.redhat.com/errata/RHSA-2024:2145 https://access.redhat.com/errata/RHSA-2024:2973 https://access.redhat.com/security/cve/CVE-2023-43787 https://bugzilla.redhat.com/show_bug.cgi?id=2242254 https://jfrog.com/blog/xorg-libx11-vulns-cve-2023-43786-cve-2023-43787-part-two https://security.netapp.com/advisory/ntap-20231103-0006 • CWE-122: Heap-based Buffer Overflow CWE-190: Integer Overflow or Wraparound •
CVSS: 5.5EPSS: 0%CPEs: 4EXPL: 1CVE-2023-43786 – Libx11: stack exhaustion from infinite recursion in putsubimage()
https://notcve.org/view.php?id=CVE-2023-43786
A vulnerability was found in libX11 due to an infinite loop within the PutSubImage() function. This flaw allows a local user to consume all available system resources and cause a denial of service condition. Se encontró una vulnerabilidad en libX11 debido a un bucle infinito dentro de la función PutSubImage(). Esta falla permite que un usuario local consuma todos los recursos disponibles del sistema y provoque una condición de denegación de servicio. • https://github.com/jfrog/jfrog-CVE-2023-43786-libX11_DoS http://www.openwall.com/lists/oss-security/2024/01/24/9 https://access.redhat.com/errata/RHSA-2024:2145 https://access.redhat.com/errata/RHSA-2024:2973 https://access.redhat.com/security/cve/CVE-2023-43786 https://bugzilla.redhat.com/show_bug.cgi?id=2242253 https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/63IBRFLQVZSMOAZBZOBKFWJP26ILRAGQ https://security.netapp.com/advisory/ntap-20231103-000 • CWE-400: Uncontrolled Resource Consumption CWE-835: Loop with Unreachable Exit Condition ('Infinite Loop') •
CVSS: 7.5EPSS: 0%CPEs: 3EXPL: 0CVE-2023-3138 – libX11: InitExt.c can overwrite unintended portions of the Display structure if the extension request leads to a buffer overflow
https://notcve.org/view.php?id=CVE-2023-3138
A vulnerability was found in libX11. The security flaw occurs because the functions in src/InitExt.c in libX11 do not check that the values provided for the Request, Event, or Error IDs are within the bounds of the arrays that those functions write to, using those IDs as array indexes. They trust that they were called with values provided by an Xserver adhering to the bounds specified in the X11 protocol, as all X servers provided by X.Org do. As the protocol only specifies a single byte for these values, an out-of-bounds value provided by a malicious server (or a malicious proxy-in-the-middle) can only overwrite other portions of the Display structure and not write outside the bounds of the Display structure itself, possibly causing the client to crash with this memory corruption. • https://access.redhat.com/security/cve/CVE-2023-3138 https://gitlab.freedesktop.org/xorg/lib/libx11/-/commit/304a654a0d57bf0f00d8998185f0360332cfa36c https://lists.x.org/archives/xorg-announce/2023-June/003406.html https://lists.x.org/archives/xorg-announce/2023-June/003407.html https://security.netapp.com/advisory/ntap-20231208-0008 https://bugzilla.redhat.com/show_bug.cgi?id=2213748 • CWE-119: Improper Restriction of Operations within the Bounds of a Memory Buffer CWE-787: Out-of-bounds Write •
CVSS: 9.8EPSS: 11%CPEs: 3EXPL: 3CVE-2021-31535 – libX11: missing request length checks
https://notcve.org/view.php?id=CVE-2021-31535
LookupCol.c in X.Org X through X11R7.7 and libX11 before 1.7.1 might allow remote attackers to execute arbitrary code. The libX11 XLookupColor request (intended for server-side color lookup) contains a flaw allowing a client to send color-name requests with a name longer than the maximum size allowed by the protocol (and also longer than the maximum packet size for normal-sized packets). The user-controlled data exceeding the maximum size is then interpreted by the server as additional X protocol requests and executed, e.g., to disable X server authorization completely. For example, if the victim encounters malicious terminal control sequences for color codes, then the attacker may be able to take full control of the running graphical session. El archivo LookupCol.c en X.Org X versiones hasta X11R7.7 y libX11 versiones anteriores a 1.7.1, podría permitir que atacantes remotos ejecuten código arbitrario. • http://packetstormsecurity.com/files/162737/libX11-Insufficient-Length-Check-Injection.html http://seclists.org/fulldisclosure/2021/May/52 http://www.openwall.com/lists/oss-security/2021/05/18/2 https://gitlab.freedesktop.org/xorg/lib/libx11/-/commit/8d2e02ae650f00c4a53deb625211a0527126c605 https://lists.apache.org/thread.html/r61db8e7dcb56dc000a5387a88f7a473bacec5ee01b9ff3f55308aacc%40%3Cdev.kafka.apache.org%3E https://lists.apache.org/thread.html/r61db8e7dcb56dc000a5387a88f7a473bacec5ee01b9ff3f55308aacc%40%3Cusers.kafka.apache.org%3E https:& • CWE-77: Improper Neutralization of Special Elements used in a Command ('Command Injection') CWE-120: Buffer Copy without Checking Size of Input ('Classic Buffer Overflow') •