CVE-2021-29623

描述

Exiv2 is a C++ library and a command-line utility to read, write, delete and modify Exif, IPTC, XMP and ICC image metadata. A read of uninitialized memory was found in Exiv2 versions v0.27.3 and earlier. Exiv2 is a command-line utility and C++ library for reading, writing, deleting, and modifying the metadata of image files. The read of uninitialized memory is triggered when Exiv2 is used to read the metadata of a crafted image file. An attacker could potentially exploit the vulnerability to leak a few bytes of stack memory, if they can trick the victim into running Exiv2 on a crafted image file. The bug is fixed in version v0.27.4.

如何修補 CVE-2021-29623

要修補 CVE-2021-29623,請將受影響套件升級到下列已修補版本。

• —升級至 0.27.3-3+deb11u2 或更新版本

CVE-2021-29623 正在被利用嗎?

低 — EPSS 為 1.1%,目前沒有觀察到大規模利用活動。

受影響套件(1)

• from 0, < 0.27.3-3+deb11u2

CVSS 分數

參考連結(1)

• ADVISORYsecurity-tracker.debian.org/tracker/CVE-2021-29623