CVSS: 9.8EPSS: 0%CPEs: 3EXPL: 0CVE-2019-3561
https://notcve.org/view.php?id=CVE-2019-3561
Insufficient boundary checks for the strrpos and strripos functions allow access to out-of-bounds memory. This affects all supported versions of HHVM (4.0.3, 3.30.4, and 3.27.7 and below). Los controles de límites insuficientes para las funciones strrpos y strripos permiten el acceso a la memoria fuera de límites. Esto afecta a todas las versiones compatibles de HHVM (versiones 4.0.3, 3.30.4 y 3.27.7 e inferiores). • https://github.com/facebook/hhvm/commit/46003b4ab564b2abcd8470035fc324fe36aa8c75 https://hhvm.com/blog/2019/04/03/hhvm-4.0.4.html • CWE-119: Improper Restriction of Operations within the Bounds of a Memory Buffer CWE-125: Out-of-bounds Read •
CVSS: 9.8EPSS: 0%CPEs: 2EXPL: 0CVE-2018-6345
https://notcve.org/view.php?id=CVE-2018-6345
The function number_format is vulnerable to a heap overflow issue when its second argument ($dec_points) is excessively large. The internal implementation of the function will cause a string to be created with an invalid length, which can then interact poorly with other functions. This affects all supported versions of HHVM (3.30.1 and 3.27.5 and below). La función number_format es vulnerable a un problema de desbordamiento de memoria dinámica (heap) cuando su segundo argumento ($dec_points) es excesivamente largo. La implementación interna de la función provocará que se cree una cadena con una longitud inválida, que puede interactuar pobremente con otras funciones. • https://github.com/facebook/hhvm/commit/190ffdf6c8b1ec443be202c7d69e63a7e3da25e3 https://hhvm.com/blog/2019/01/14/hhvm-3.30.2.html • CWE-122: Heap-based Buffer Overflow CWE-787: Out-of-bounds Write •
CVSS: 9.8EPSS: 0%CPEs: 2EXPL: 0CVE-2019-3557
https://notcve.org/view.php?id=CVE-2019-3557
The implementations of streams for bz2 and php://output improperly implemented their readImpl functions, returning -1 consistently. This behavior caused some stream functions, such as stream_get_line, to trigger an out-of-bounds read when operating on such malformed streams. The implementations were updated to return valid values consistently. This affects all supported versions of HHVM (3.30 and 3.27.4 and below). Las implementaciones de los flujos para bz2 y php://output implementaron incorrectamente sus funciones readImpl, devolviendo -1 constantemente. • https://github.com/facebook/hhvm/commit/6e4dd9ec3f14b48170fc45dc9d13a3261765f994 https://hhvm.com/blog/2019/01/14/hhvm-3.30.2.html • CWE-125: Out-of-bounds Read •
CVSS: 8.1EPSS: 0%CPEs: 2EXPL: 0CVE-2018-6340
https://notcve.org/view.php?id=CVE-2018-6340
The Memcache::getextendedstats function can be used to trigger an out-of-bounds read. Exploiting this issue requires control over memcached server hostnames and/or ports. This affects all supported versions of HHVM (3.30 and 3.27.4 and below). La función Memcache::getextendedstats puede utilizarse para provocar una lectura fuera de límites. La explotación de este problema requiere control sobre nombres y/o puertos del servidor "memcatched". • https://github.com/facebook/hhvm/commit/4bff3bfbe90d10451e4638c2118d1ad1117bb3e3 https://hhvm.com/blog/2018/12/18/hhvm-3.30.1.html • CWE-125: Out-of-bounds Read •
CVSS: 7.5EPSS: 0%CPEs: 3EXPL: 0CVE-2018-6335
https://notcve.org/view.php?id=CVE-2018-6335
A Malformed h2 frame can cause 'std::out_of_range' exception when parsing priority meta data. This behavior can lead to denial-of-service. This affects all supported versions of HHVM (3.25.2, 3.24.6, and 3.21.10 and below) when using the proxygen server to handle HTTP2 requests. Un frame h2 malformado puede provocar una excepción 'std::out_of_range' durante el análisis de metadatos prioritarios. Este comportamiento puede provocar una denegación de servicio (DoS). • https://github.com/facebook/hhvm/commit/4cb57dd753a339654ca464c139db9871fe961d56 https://hhvm.com/blog/2018/05/04/hhvm-3.25.3.html • CWE-20: Improper Input Validation CWE-400: Uncontrolled Resource Consumption •