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CVE-2021-29470

Опубликовано: 23 апр. 2021
Источник: debian
EPSS Низкий

Описание

Exiv2 is a command-line utility and C++ library for reading, writing, deleting, and modifying the metadata of image files. An out-of-bounds read was found in Exiv2 versions v0.27.3 and earlier. The out-of-bounds read is triggered when Exiv2 is used to write metadata into a crafted image file. An attacker could potentially exploit the vulnerability to cause a denial of service by crashing Exiv2, if they can trick the victim into running Exiv2 on a crafted image file. Note that this bug is only triggered when writing the metadata, which is a less frequently used Exiv2 operation than reading the metadata. For example, to trigger the bug in the Exiv2 command-line application, you need to add an extra command-line argument such as insert. The bug is fixed in version v0.27.4.

Пакеты

ПакетСтатусВерсия исправленияРелизТип
exiv2fixed0.27.5-1package
exiv2fixed0.27.3-3+deb11u2bullseyepackage
exiv2not-affectedbusterpackage
exiv2not-affectedstretchpackage

Примечания

  • https://github.com/Exiv2/exiv2/security/advisories/GHSA-8949-hhfh-j7rj

  • https://github.com/Exiv2/exiv2/pull/1581

  • https://github.com/Exiv2/exiv2/commit/b3de96f4b4408347bed57e625963720e8d0dd2ea

  • https://github.com/Exiv2/exiv2/commit/c372f2677d6f7cf88a8f26ef6bc175561e406ee2

EPSS

Процентиль: 61%
0.00413
Низкий

Связанные уязвимости

CVSS3: 4.7
ubuntu
около 4 лет назад

Exiv2 is a command-line utility and C++ library for reading, writing, deleting, and modifying the metadata of image files. An out-of-bounds read was found in Exiv2 versions v0.27.3 and earlier. The out-of-bounds read is triggered when Exiv2 is used to write metadata into a crafted image file. An attacker could potentially exploit the vulnerability to cause a denial of service by crashing Exiv2, if they can trick the victim into running Exiv2 on a crafted image file. Note that this bug is only triggered when writing the metadata, which is a less frequently used Exiv2 operation than reading the metadata. For example, to trigger the bug in the Exiv2 command-line application, you need to add an extra command-line argument such as insert. The bug is fixed in version v0.27.4.

CVSS3: 7.5
redhat
около 4 лет назад

Exiv2 is a command-line utility and C++ library for reading, writing, deleting, and modifying the metadata of image files. An out-of-bounds read was found in Exiv2 versions v0.27.3 and earlier. The out-of-bounds read is triggered when Exiv2 is used to write metadata into a crafted image file. An attacker could potentially exploit the vulnerability to cause a denial of service by crashing Exiv2, if they can trick the victim into running Exiv2 on a crafted image file. Note that this bug is only triggered when writing the metadata, which is a less frequently used Exiv2 operation than reading the metadata. For example, to trigger the bug in the Exiv2 command-line application, you need to add an extra command-line argument such as insert. The bug is fixed in version v0.27.4.

CVSS3: 4.7
nvd
около 4 лет назад

Exiv2 is a command-line utility and C++ library for reading, writing, deleting, and modifying the metadata of image files. An out-of-bounds read was found in Exiv2 versions v0.27.3 and earlier. The out-of-bounds read is triggered when Exiv2 is used to write metadata into a crafted image file. An attacker could potentially exploit the vulnerability to cause a denial of service by crashing Exiv2, if they can trick the victim into running Exiv2 on a crafted image file. Note that this bug is only triggered when writing the metadata, which is a less frequently used Exiv2 operation than reading the metadata. For example, to trigger the bug in the Exiv2 command-line application, you need to add an extra command-line argument such as insert. The bug is fixed in version v0.27.4.

CVSS3: 6.5
msrc
больше 3 лет назад

Описание отсутствует

CVSS3: 6.5
fstec
около 4 лет назад

Уязвимость библиотеки для управления метаданными медиафайлов Exiv2 , связанная с чтением за границами буфера в памяти, позволяющая нарушителю вызвать отказ в обслуживании

EPSS

Процентиль: 61%
0.00413
Низкий