CVE-2023-2804

Summary

A heap-based buffer overflow issue was discovered in libjpeg-turbo in h2v2_merged_upsample_internal() function of jdmrgext.c file. The vulnerability can only be exploited with 12-bit data precision for which the range of the sample data type exceeds the valid sample range, hence, an attacker could craft a 12-bit lossless JPEG image that contains out-of-range 12-bit samples. An application attempting to decompress such image using merged upsampling would lead to segmentation fault or buffer overflows, causing an application to crash.

Affected Software

Weaknesses

• CWE-122: CWE-122 - Heap-based Buffer Overflow

ADP Enrichment

CVE Program Container

Additional References

• https://github.com/libjpeg-turbo/libjpeg-turbo/issues/675
• https://bugzilla.redhat.com/show_bug.cgi?id=2208447
• https://access.redhat.com/security/cve/CVE-2023-2804
• https://github.com/libjpeg-turbo/libjpeg-turbo/commit/9f756bc67a84d4566bf74a0c2432aa55da404021
• https://github.com/libjpeg-turbo/libjpeg-turbo/issues/668#issuecomment-1492586118
• https://www.intel.com/content/www/us/en/security-center/advisory/intel-sa-01006.html

CISA ADP Vulnrichment

• SSVC:
• Exploitation: poc
  • Automatable: no
  • Technical Impact: partial

References

• https://github.com/libjpeg-turbo/libjpeg-turbo/issues/675
• https://bugzilla.redhat.com/show_bug.cgi?id=2208447
• https://access.redhat.com/security/cve/CVE-2023-2804
• https://github.com/libjpeg-turbo/libjpeg-turbo/commit/9f756bc67a84d4566bf74a0c2432aa55da404021
• https://github.com/libjpeg-turbo/libjpeg-turbo/issues/668#issuecomment-1492586118
• https://www.intel.com/content/www/us/en/security-center/advisory/intel-sa-01006.html

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