CVE-2021-31291

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: Heap-based buffer overflow vulnerability in jp2image.cpp (CVE-2021-31291)

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.

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: Heap-based buffer overflow vulnerability in jp2image.cpp (CVE-2021-31291)

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.

Rejected reason: DO NOT USE THIS CANDIDATE NUMBER. ConsultIDs: CVE-2021-29457. Reason: This candidate is a duplicate of CVE-2021-29457. Notes: All CVE users should reference CVE-2021-29457 instead of this candidate. All references and descriptions in this candidate have been removed to prevent accidental usage

DO NOT USE THIS CANDIDATE NUMBER. ConsultIDs: CVE-2021-29457. Reason: This candidate is a duplicate of CVE-2021-29457. Notes: All CVE users should reference CVE-2021-29457 instead of this candidate. All references and descriptions in this candidate have been removed to prevent accidental usage

DO NOT USE THIS CANDIDATE NUMBER. ConsultIDs: CVE-2021-29457. Reason: This candidate is a duplicate of CVE-2021-29457. Notes: All CVE users should reference CVE-2021-29457 instead of this candidate. All references and descriptions in this candidate have been removed to prevent accidental usage

A heap-based buffer overflow vulnerability in jp2image.cpp of Exiv2 0.27.3 allows attackers to cause a denial of service (DOS) via crafted metadata.

Rejected reason: DO NOT USE THIS CANDIDATE NUMBER. ConsultIDs: CVE-2021-29457. Reason: This candidate is a duplicate of CVE-2021-29457. Notes: All CVE users should reference CVE-2021-29457 instead of this candidate. All references and descriptions in this candidate have been removed to prevent accidental usage

Rejected reason: DO NOT USE THIS CANDIDATE NUMBER. ConsultIDs: CVE-2021-29457. Reason: This candidate is a duplicate of CVE-2021-29457. Notes: All CVE users should reference CVE-2021-29457 instead of this candidate. All references and descriptions in this candidate have been removed to prevent accidental usage

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: Heap-based buffer overflow vulnerability in jp2image.cpp (CVE-2021-31291)

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.

Updated exiv2 packages fix security vulnerability:

A heap-based buffer overflow vulnerability in jp2image.cpp of Exiv2 0.27.3 allows attackers to cause a denial of service (DOS) via crafted metadata (CVE-2021-31291).

These are all security issues fixed in the exiv2-0.27.5-3.1 package on the GA media of openSUSE Tumbleweed.

This update for exiv2 fixes the following issues:

• CVE-2021-31291: Fixed heap-based buffer overflow vulnerability in jp2image.cpp may lead to a denial of service (bsc#1188733).
• CVE-2021-32617: Fixed denial of service inside inefficient algorithm (quadratic complexity) (bsc#1186192).

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).

This update for exiv2 fixes the following issues:

Updated to version 0.27.5 (jsc#PED-1393):

• CVE-2017-1000128: Fixed stack out of bounds read in JPEG2000 parser (bsc#1068871).
• CVE-2019-13108: Fixed integer overflow PngImage:readMetadata (bsc#1142675).
• CVE-2020-19716: Fixed buffer overflow vulnerability in the Databuf function in types.cpp (bsc#1188645).
• CVE-2021-29457: Fixed heap buffer overflow when write metadata into a crafted image file (bsc#1185002).
• CVE-2021-29470: Fixed out-of-bounds read in Exiv2:Jp2Image:encodeJp2Header (bsc#1185447).
• CVE-2021-29623: Fixed read of uninitialized memory (bsc#1186053).
• CVE-2021-31291: Fixed heap-based buffer overflow in jp2image.cpp (bsc#1188733).
• CVE-2021-32617: Fixed denial of service due to inefficient algorithm (bsc#1186192).
• CVE-2021-37620: Fixed out-of-bounds read in XmpTextValue:read() (bsc#1189332).
• CVE-2021-37621: Fixed DoS due to infinite loop in Image:printIFDStructure (bsc#1189333).
• CVE-2021-37622: Fixed DoS due to infinite loop in JpegBase:printStructure (bsc#1189334)
• CVE-2021-34334: Fixed DoS due to integer overflow in loop counter(bsc#1189338)
• CVE-2021-37623: Fixed DoS due to infinite loop in JpegBase:printStructure (bsc#1189335)
• CVE-2021-29463: Fixed out-of-bounds read in webpimage.cpp (bsc#1185913).
• CVE-2021-34334: Fixed DoS due to integer overflow in loop counter (bsc#1189338)
• CVE-2019-13111: Fixed integer overflow in WebPImage:decodeChunks that lead to denial of service (bsc#1142679)
• CVE-2021-29463: Fixed an out-of-bounds read was found in webpimage.cpp (bsc#1185913)

Bugfixes:

• Fixed build using GCC 11 (bsc#1185218).

A new libexiv2-2_27 shared library is shipped, the libexiv2-2_26 is provided only for compatibility now.

Please recompile your applications using the exiv2 library.

This update for exiv2 fixes the following issues:

• CVE-2019-13112: Fixed an uncontrolled memory allocation in PngChunk:parseChunkContent causing denial of service. (bsc#1142681)
• CVE-2021-37620: Fixed out-of-bounds read in XmpTextValue:read(). (bsc#1189332)
• CVE-2021-34334: Fixed a DoS due to integer overflow in loop counter. (bsc#1189338)
• CVE-2021-31291: Fixed a heap-based buffer overflow vulnerability in jp2image.cpp may lead to a denial of service via crafted metadata (bsc#1188733).
• CVE-2021-32815: Fixed a deny-of-service due to assertion failure in crwimage_int.cpp (bsc#1189337).
• CVE-2018-20097: Fixed SEGV in Exiv2::Internal::TiffParserWorker::findPrimaryGroupsu (bsc#1119562).
• CVE-2021-29457: Fixed a heap buffer overflow when write metadata into a crafted image file (bsc#1185002).
• CVE-2021-29473: Fixed out-of-bounds read in Exiv2::Jp2Image:doWriteMetadata (bsc#1186231).

It was discovered that Exiv2 incorrectly handled certain images. An attacker could possibly use this issue to cause a denial of service.