CVE-2024-31081
Xorg-x11-server: heap buffer overread/data leakage in procxipassivegrabdevice
Severity Score
Exploit Likelihood
Affected Versions
Public Exploits
0Exploited in Wild
-Decision
Descriptions
A heap-based buffer over-read vulnerability was found in the X.org server's ProcXIPassiveGrabDevice() function. This issue occurs when byte-swapped length values are used in replies, potentially leading to memory leakage and segmentation faults, particularly when triggered by a client with a different endianness. This vulnerability could be exploited by an attacker to cause the X server to read heap memory values and then transmit them back to the client until encountering an unmapped page, resulting in a crash. Despite the attacker's inability to control the specific memory copied into the replies, the small length values typically stored in a 32-bit integer can result in significant attempted out-of-bounds reads.
Se encontró una vulnerabilidad de sobrelectura del búfer de almacenamiento dinámico en la función ProcXIPassiveGrabDevice() del servidor X.org. Este problema se produce cuando se utilizan valores de longitud de bytes intercambiados en las respuestas, lo que puede provocar pérdidas de memoria y errores de segmentación, especialmente cuando lo activa un cliente con una endianidad diferente. Un atacante podría aprovechar esta vulnerabilidad para hacer que el servidor X lea los valores de la memoria dinámica y luego los transmita de vuelta al cliente hasta encontrar una página no asignada, lo que provocaría un bloqueo. A pesar de la incapacidad del atacante para controlar la memoria específica copiada en las respuestas, los pequeños valores de longitud que normalmente se almacenan en un entero de 32 bits pueden dar como resultado importantes intentos de lecturas fuera de los límites.
CVSS Scores
SSVC
- Decision:Track
Timeline
- 2024-03-28 CVE Reserved
- 2024-04-04 CVE Published
- 2024-04-26 EPSS Updated
- 2024-11-24 CVE Updated
- ---------- Exploited in Wild
- ---------- KEV Due Date
- ---------- First Exploit
CWE
- CWE-126: Buffer Over-read
CAPEC
References (23)
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Affected Vendors, Products, and Versions
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Vendor | Product | Version | Other | Status | <-- --> | Vendor | Product | Version | Other | Status |
Centos Search vendor "Centos" | Centos Search vendor "Centos" for product "Centos" | * | - |
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Oracle Search vendor "Oracle" | Linux Search vendor "Oracle" for product "Linux" | * | - |
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Redhat Search vendor "Redhat" | Enterprise Linux Search vendor "Redhat" for product "Enterprise Linux" | * | - |
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Redhat Search vendor "Redhat" | Rhel Aus Search vendor "Redhat" for product "Rhel Aus" | * | - |
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Redhat Search vendor "Redhat" | Rhel E4s Search vendor "Redhat" for product "Rhel E4s" | * | - |
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Redhat Search vendor "Redhat" | Rhel Eus Search vendor "Redhat" for product "Rhel Eus" | * | - |
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Redhat Search vendor "Redhat" | Rhel Tus Search vendor "Redhat" for product "Rhel Tus" | * | - |
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Alma Search vendor "Alma" | Linux Search vendor "Alma" for product "Linux" | * | - |
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Amazon Search vendor "Amazon" | Linux Search vendor "Amazon" for product "Linux" | * | - |
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Canonical Search vendor "Canonical" | Ubuntu Linux Search vendor "Canonical" for product "Ubuntu Linux" | * | - |
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Centos Search vendor "Centos" | Centos Search vendor "Centos" for product "Centos" | * | - |
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Debian Search vendor "Debian" | Debian Linux Search vendor "Debian" for product "Debian Linux" | * | - |
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Fedoraproject Search vendor "Fedoraproject" | Fedora Search vendor "Fedoraproject" for product "Fedora" | * | - |
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Freebsd Search vendor "Freebsd" | Freebsd Search vendor "Freebsd" for product "Freebsd" | * | - |
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Opensuse Search vendor "Opensuse" | Leap Search vendor "Opensuse" for product "Leap" | * | - |
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Oracle Search vendor "Oracle" | Linux Search vendor "Oracle" for product "Linux" | * | - |
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Redhat Search vendor "Redhat" | Enterprise Linux Search vendor "Redhat" for product "Enterprise Linux" | * | - |
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Redhat Search vendor "Redhat" | Rhel Aus Search vendor "Redhat" for product "Rhel Aus" | * | - |
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Redhat Search vendor "Redhat" | Rhel E4s Search vendor "Redhat" for product "Rhel E4s" | * | - |
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Redhat Search vendor "Redhat" | Rhel Eus Search vendor "Redhat" for product "Rhel Eus" | * | - |
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Redhat Search vendor "Redhat" | Rhel Tus Search vendor "Redhat" for product "Rhel Tus" | * | - |
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Rocky Search vendor "Rocky" | Linux Search vendor "Rocky" for product "Linux" | * | - |
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Slackware Search vendor "Slackware" | Slackware Linux Search vendor "Slackware" for product "Slackware Linux" | * | - |
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Suse Search vendor "Suse" | Sle-module-basesystem Search vendor "Suse" for product "Sle-module-basesystem" | * | - |
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Suse Search vendor "Suse" | Sle-module-development-tools Search vendor "Suse" for product "Sle-module-development-tools" | * | - |
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Suse Search vendor "Suse" | Sle-sdk Search vendor "Suse" for product "Sle-sdk" | * | - |
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Suse Search vendor "Suse" | Sle-we Search vendor "Suse" for product "Sle-we" | * | - |
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Suse Search vendor "Suse" | Sle Hpc-espos Search vendor "Suse" for product "Sle Hpc-espos" | * | - |
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Suse Search vendor "Suse" | Sle Hpc-ltss Search vendor "Suse" for product "Sle Hpc-ltss" | * | - |
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Suse Search vendor "Suse" | Sle Hpc Search vendor "Suse" for product "Sle Hpc" | * | - |
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Suse Search vendor "Suse" | Sled Search vendor "Suse" for product "Sled" | * | - |
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Suse Search vendor "Suse" | Sles-ltss Search vendor "Suse" for product "Sles-ltss" | * | - |
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Suse Search vendor "Suse" | Sles Search vendor "Suse" for product "Sles" | * | - |
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Suse Search vendor "Suse" | Sles Sap Search vendor "Suse" for product "Sles Sap" | * | - |
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Suse Search vendor "Suse" | Suse-manager-proxy Search vendor "Suse" for product "Suse-manager-proxy" | * | - |
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Suse Search vendor "Suse" | Suse-manager-server Search vendor "Suse" for product "Suse-manager-server" | * | - |
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