CVE-2023-23457

Summary

A Segmentation fault was found in UPX in PackLinuxElf64::invert_pt_dynamic() in p_lx_elf.cpp. An attacker with a crafted input file allows invalid memory address access that could lead to a denial of service.

Affected Software

Weaknesses

• CWE-119: Improper Restriction of Operations within the Bounds of a Memory Buffer

ADP Enrichment

CVE Program Container

Additional References

• https://bugzilla.redhat.com/show_bug.cgi?id=2160382
• https://github.com/upx/upx/commit/779b648c5f6aa9b33f4728f79dd4d0efec0bf860
• https://github.com/upx/upx/issues/631
• https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/EL3BVKIGG3SH6I3KPOYQAWCBD4UMPOPI/
• https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/TGEP3FBNRZXGLIA2B2ICMB32JVMPREFZ/

CISA ADP Vulnrichment

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

References

• https://bugzilla.redhat.com/show_bug.cgi?id=2160382
• https://github.com/upx/upx/commit/779b648c5f6aa9b33f4728f79dd4d0efec0bf860
• https://github.com/upx/upx/issues/631
• https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/EL3BVKIGG3SH6I3KPOYQAWCBD4UMPOPI/
• https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/TGEP3FBNRZXGLIA2B2ICMB32JVMPREFZ/

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