CVE-2020-18898

A stack exhaustion issue in the printIFDStructure function of Exiv2 0.27 allows remote attackers to cause a denial of service (DOS) via a crafted file.

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.

Security Fix(es):

• exiv2: stack exhaustion issue in the printIFDStructure function may lead to DoS (CVE-2020-18898)

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 Rocky Linux 8.6 Release Notes linked from the References section.

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 (0.27.5). (BZ#2018422)

Security Fix(es):

• exiv2: stack exhaustion issue in the printIFDStructure function may lead to DoS (CVE-2020-18898)

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 Rocky Linux 8.6 Release Notes linked from the References section.

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.

Security Fix(es):

• exiv2: stack exhaustion issue in the printIFDStructure function may lead to DoS (CVE-2020-18898)

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 AlmaLinux Release Notes linked from the References section.

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 (0.27.5). (BZ#2018422)

Security Fix(es):

• exiv2: stack exhaustion issue in the printIFDStructure function may lead to DoS (CVE-2020-18898)

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 AlmaLinux Release Notes linked from the References section.

This update for exiv2 fixes the following issues:

• CVE-2021-37621: Fixed denial of service due to infinite loop in Image:printIFDStructure (bsc#1189333).
• CVE-2021-37620: Fixed out-of-bounds read in XmpTextValue:read() (bsc#1189332).
• CVE-2021-37619: Fixed out-of-bounds read in Exiv2:Jp2Image:encodeJp2Header (bsc#1189331).
• CVE-2021-37618: Fixed out-of-bounds read in Exiv2:Jp2Image:printStructure (bsc#1189330).
• CVE-2021-32617: Fixed denial of service inside inefficient algorithm (quadratic complexity) (bsc#1186192).
• CVE-2021-31292: Fixed integer overflow in CrwMap:encode0x1810 (bsc#1188756).
• CVE-2021-31291: Fixed heap-based buffer overflow vulnerability in jp2image.cpp may lead to a denial of service (bsc#1188733).
• CVE-2021-29470: Fixed out-of-bounds read in Exiv2:Jp2Image:encodeJp2Header (bsc#1185447).
• CVE-2020-18899: Fixed uncontrolled memory allocation (bsc#1189636).
• CVE-2020-18898: Fixed remote denial of service in printIFDStructure function (bsc#1189780).
• CVE-2018-8977: Fixed remote denial of service in Exiv2::Internal::printCsLensFFFF function in canonmn_int.cpp (bsc#1086798).
• CVE-2018-8976: Fixed remote denial of service in image.cpp Exiv2::Internal::stringFormat via out-of-bounds read (bsc#1086810).
• CVE-2018-5772: Fixed segmentation fault caused by uncontrolled recursion inthe Exiv2::Image::printIFDStructure (bsc#1076579).
• CVE-2018-18915: Fixed an infinite loop in the Exiv2:Image:printIFDStructure function (bsc#1114690).
• CVE-2018-10772: Fixed segmentation fault when the function Exiv2::tEXtToDataBuf() is finished (bsc#1092096).