Описание
A flaw was found in libarchive. An Undefined Behavior vulnerability exists in the zisofs decompression logic, caused by improper validation of a field (pz_log2_bs) read from ISO9660 Rock Ridge extensions. A remote attacker can exploit this by supplying a specially crafted ISO file. This can lead to incorrect memory allocation and potential application crashes, resulting in a denial-of-service (DoS) condition.
Отчет
This MODERATE impact vulnerability in libarchive's zisofs decompression logic can lead to a denial of service. The flaw is triggered when processing a specially crafted ISO9660 image containing an invalid shift exponent. Red Hat products that process untrusted ISO files using libarchive are susceptible to crashes.
Меры по смягчению последствий
To mitigate this issue, avoid processing untrusted ISO9660 images with libarchive. Restricting the sources of ISO files and ensuring they originate from trusted entities can prevent exploitation.
Затронутые пакеты
| Платформа | Пакет | Состояние | Рекомендация | Релиз |
|---|---|---|---|---|
| Red Hat Enterprise Linux 10 | libarchive | Fix deferred | ||
| Red Hat Enterprise Linux 6 | libarchive | Out of support scope | ||
| Red Hat Enterprise Linux 7 | libarchive | Fix deferred | ||
| Red Hat Enterprise Linux 8 | libarchive | Fix deferred | ||
| Red Hat Enterprise Linux 9 | libarchive | Fix deferred | ||
| Red Hat OpenShift Container Platform 4 | rhcos | Fix deferred |
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Дополнительная информация
Статус:
EPSS
6.5 Medium
CVSS3
Связанные уязвимости
A flaw was found in libarchive. An Undefined Behavior vulnerability exists in the zisofs decompression logic, caused by improper validation of a field (`pz_log2_bs`) read from ISO9660 Rock Ridge extensions. A remote attacker can exploit this by supplying a specially crafted ISO file. This can lead to incorrect memory allocation and potential application crashes, resulting in a denial-of-service (DoS) condition.
A flaw was found in libarchive. An Undefined Behavior vulnerability exists in the zisofs decompression logic, caused by improper validation of a field (`pz_log2_bs`) read from ISO9660 Rock Ridge extensions. A remote attacker can exploit this by supplying a specially crafted ISO file. This can lead to incorrect memory allocation and potential application crashes, resulting in a denial-of-service (DoS) condition.
Libarchive: libarchive: denial of service via malformed iso file processing
A flaw was found in libarchive. An Undefined Behavior vulnerability ex ...
A flaw was found in libarchive. An Undefined Behavior vulnerability exists in the zisofs decompression logic, caused by improper validation of a field (`pz_log2_bs`) read from ISO9660 Rock Ridge extensions. A remote attacker can exploit this by supplying a specially crafted ISO file. This can lead to incorrect memory allocation and potential application crashes, resulting in a denial-of-service (DoS) condition.
EPSS
6.5 Medium
CVSS3