RHSA-2021:4173 - Security Advisory

Topic

An update for exiv2 is now available for Red Hat Enterprise Linux 8.

Red Hat Product Security has rated this update as having a security impact of Moderate. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability from the CVE link(s) in the References section.

Description

Exiv2 is a C++ library to access image metadata, supporting read and write access to the Exif, IPTC and XMP metadata, Exif MakerNote support, extract and delete methods for Exif thumbnails, classes to access Ifd, and support for various image formats.

The following packages have been upgraded to a later upstream version: exiv2 (0.27.4). (BZ#1989860)

Security Fix(es):

• exiv2: Heap-based buffer overflow in Jp2Image::readMetadata() (CVE-2021-3482)
• exiv2: Heap-based buffer overflow in Exiv2::Jp2Image::doWriteMetadata (CVE-2021-29457)
• exiv2: Out-of-bounds read in Exiv2::Internal::CrwMap::encode (CVE-2021-29458)
• exiv2: Heap-based buffer overflow in Exiv2::Jp2Image::encodeJp2Header (CVE-2021-29464)
• exiv2: Out-of-bounds read in Exiv2::Jp2Image::encodeJp2Header (CVE-2021-29470)
• exiv2: Out-of-bounds read in Exiv2::Jp2Image::doWriteMetadata (CVE-2021-29473)
• exiv2: Integer overflow in CrwMap:encode0x1810 leading to heap-based buffer overflow and DoS (CVE-2021-31292)
• exiv2: Out-of-bounds read in Exiv2::WebPImage::doWriteMetadata (CVE-2021-29463)
• exiv2: Use of uninitialized memory in isWebPType() may lead to information leak (CVE-2021-29623)
• exiv2: DoS due to quadratic complexity in ProcessUTF8Portion (CVE-2021-32617)
• exiv2: Out-of-bounds read in Exiv2::Jp2Image::printStructure (CVE-2021-37618)
• exiv2: Out-of-bounds read in Exiv2::Jp2Image::encodeJp2Header (CVE-2021-37619)

For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.

Additional Changes:

For detailed information on changes in this release, see the Red Hat Enterprise Linux 8.5 Release Notes linked from the References section.

Solution

For details on how to apply this update, which includes the changes described in this advisory, refer to:

https://access.redhat.com/articles/11258

Affected Products

• Red Hat Enterprise Linux for x86_64 8 x86_64
• Red Hat Enterprise Linux for x86_64 - Extended Update Support 8.6 x86_64
• Red Hat Enterprise Linux Server - AUS 8.6 x86_64
• Red Hat Enterprise Linux for IBM z Systems 8 s390x
• Red Hat Enterprise Linux for IBM z Systems - Extended Update Support 8.6 s390x
• Red Hat Enterprise Linux for Power, little endian 8 ppc64le
• Red Hat Enterprise Linux for Power, little endian - Extended Update Support 8.6 ppc64le
• Red Hat Enterprise Linux Server - TUS 8.6 x86_64
• Red Hat Enterprise Linux for ARM 64 8 aarch64
• Red Hat Enterprise Linux Server for Power LE - Update Services for SAP Solutions 8.6 ppc64le
• Red Hat Enterprise Linux for x86_64 - Update Services for SAP Solutions 8.6 x86_64
• Red Hat CodeReady Linux Builder for x86_64 8 x86_64
• Red Hat CodeReady Linux Builder for Power, little endian 8 ppc64le
• Red Hat CodeReady Linux Builder for ARM 64 8 aarch64
• Red Hat CodeReady Linux Builder for IBM z Systems 8 s390x
• Red Hat Enterprise Linux for ARM 64 - Extended Update Support 8.6 aarch64
• Red Hat CodeReady Linux Builder for x86_64 - Extended Update Support 8.6 x86_64
• Red Hat CodeReady Linux Builder for Power, little endian - Extended Update Support 8.6 ppc64le
• Red Hat CodeReady Linux Builder for IBM z Systems - Extended Update Support 8.6 s390x
• Red Hat CodeReady Linux Builder for ARM 64 - Extended Update Support 8.6 aarch64

Fixes

• BZ - 1946314 - CVE-2021-3482 exiv2: Heap-based buffer overflow in Jp2Image::readMetadata()
• BZ - 1952607 - CVE-2021-29458 exiv2: Out-of-bounds read in Exiv2::Internal::CrwMap::encode
• BZ - 1952612 - CVE-2021-29457 exiv2: Heap-based buffer overflow in Exiv2::Jp2Image::doWriteMetadata
• BZ - 1953708 - CVE-2021-29470 exiv2: Out-of-bounds read in Exiv2::Jp2Image::encodeJp2Header
• BZ - 1954065 - CVE-2021-29473 exiv2: Out-of-bounds read in Exiv2::Jp2Image::doWriteMetadata
• BZ - 1961650 - CVE-2021-29623 exiv2: Use of uninitialized memory in isWebPType() may lead to information leak
• BZ - 1961691 - CVE-2021-32617 exiv2: DoS due to quadratic complexity in ProcessUTF8Portion
• BZ - 1978100 - CVE-2021-29463 exiv2: Out-of-bounds read in Exiv2::WebPImage::doWriteMetadata
• BZ - 1978105 - CVE-2021-29464 exiv2: Heap-based buffer overflow in Exiv2::Jp2Image::encodeJp2Header
• BZ - 1989860 - Rebase Exiv2 to 0.27.4
• BZ - 1990330 - CVE-2021-31292 exiv2: Integer overflow in CrwMap:encode0x1810 leading to heap-based buffer overflow and DoS
• BZ - 1992165 - CVE-2021-37618 exiv2: Out-of-bounds read in Exiv2::Jp2Image::printStructure
• BZ - 1992174 - CVE-2021-37619 exiv2: Out-of-bounds read in Exiv2::Jp2Image::encodeJp2Header

CVEs

• CVE-2021-3482
• CVE-2021-29457
• CVE-2021-29458
• CVE-2021-29463
• CVE-2021-29464
• CVE-2021-29470
• CVE-2021-29473
• CVE-2021-29623
• CVE-2021-31292
• CVE-2021-32617
• CVE-2021-37618
• CVE-2021-37619

References

• https://access.redhat.com/security/updates/classification/#moderate
• https://access.redhat.com/documentation/en-us/red_hat_enterprise_linux/8/html/8.5_release_notes/