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Mageia 7: MGASA-2020-0017 Critical: Libdwarf Denial of Service

mageia
Calendar Grey January 5, 2020
Dist Mageia Esm H88
Recent upgrades to libdwarf packages address a significant security vulnerability in Mageia that could lead to denial of service through ELF file exploitation.
Updated libdwarf packages fix security vulnerability: dwarf_elf_load_headers.c in libdwarf before 2019-07-05 allows attackers to cause a denial of service (division by zero) via a...

Summary

Updated libdwarf packages fix security vulnerability:
dwarf_elf_load_headers.c in libdwarf before 2019-07-05 allows attackersto cause a denial of service (division by zero) via an ELF file with a zero-size section group (SHT_GROUP), as demonstrated by dwarfdump (CVE-2019-14249).

References

- https://bugs.mageia.org/show_bug.cgi?id=25955

- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/thread/23RIFYDK2JZDBZP6RPYXPF56HCYYKJDL/

- https://www.cve.org/CVERecord?id=CVE-2019-14249

Resolution

SRPMS

- 7/core/libdwarf-20191104-1.mga7

Severity
critical
Lowest
Low
Medium
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Critical

Publication date: 05 Jan 2020
URL: https://advisories.mageia.org/MGASA-2020-0017.html
Type: security
CVE: CVE-2019-14249

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