Vulnerability Monitor

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CVE-2019-14249

dwarf_elf_load_headers.c in libdwarf before 2019-07-05 allows attackers to cause a denial of service (division by zero) via an ELF file with a zero-size section group (SHT_GROUP), as demonstrated by dwarfdump.

Published

2019-07-24T04:15:12.080

Last Modified

2024-11-21T04:26:17.607

Status

Modified

Source

[email protected]

Severity

CVSSv3.0: 6.5 (MEDIUM)

CVSSv2 Vector

AV:N/AC:M/Au:N/C:N/I:N/A:P

Access Vector: NETWORK
Access Complexity: MEDIUM
Authentication: NONE
Confidentiality Impact: NONE
Integrity Impact: NONE
Availability Impact: PARTIAL

Exploitability Score

8.6

Impact Score

2.9

Weaknesses

Type: Primary
CWE-369

Affected Vendors & Products

Type	Vendor	Product	Version/Range	Vulnerable?
Application	libdwarf_project	libdwarf	< 2019-07-05	Yes

References

http://www.securityfocus.com/bid/109380 Third Party Advisory, VDB Entry ([email protected])
https://sourceforge.net/p/libdwarf/code/ci/cb7198abde46c2ae29957ad460da6886eaa606ba/tree/libdwarf/dwarf_elf_load_headers.c?diff=99e77c3894877a1dd80b82808d8309eded4e5599 Patch, Third Party Advisory ([email protected])
https://sourceforge.net/p/libdwarf/code/merge-requests/4/ Patch, Third Party Advisory ([email protected])
http://www.securityfocus.com/bid/109380 Third Party Advisory, VDB Entry (af854a3a-2127-422b-91ae-364da2661108)
https://sourceforge.net/p/libdwarf/code/ci/cb7198abde46c2ae29957ad460da6886eaa606ba/tree/libdwarf/dwarf_elf_load_headers.c?diff=99e77c3894877a1dd80b82808d8309eded4e5599 Patch, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://sourceforge.net/p/libdwarf/code/merge-requests/4/ Patch, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)