CVE-2019-7664: In elfutils 0.175, a negative-sized memcpy is attempted in elf_cvt_note in libelf/note_xlate.h because of an incorrect overflow check

Medium severity · published Feb 9, 2019

CVE-2019-7664

In elfutils 0.175, a negative-sized memcpy is attempted in elf_cvt_note in libelf/note_xlate.h because of an incorrect overflow check

5.5

CVSS

EPSS

On KEV

Description

In elfutils 0.175, a negative-sized memcpy is attempted in elf_cvt_note in libelf/note_xlate.h because of an incorrect overflow check. Crafted elf input causes a segmentation fault, leading to denial of service (program crash).

CVSS vector

CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

Attack vector

Local

Complexity

Low

Privileges

None

User interaction

Required

Confidentiality

None

Integrity

None

Availability

High

Scope

Unchanged

Exploitation

Is it being used?

Exploit prediction (EPSS)1.0% · higher than 63% of CVEs

Exploited in the wildNo evidence yet

CISA KEVNot listed

Ransomware campaign useNot known

Affected products

Which versions

Elfutils · Elfutils Project

0.175 · source: NVD

Enterprise Linux · Redhat

8.0 · source: NVD

Enterprise Linux Desktop · Redhat

7.0 · source: NVD

Enterprise Linux Eus · Redhat

8.1; 8.2; 8.4; 8.6 · source: NVD

Enterprise Linux Server · Redhat

7.0 · source: NVD

Enterprise Linux Server Aus · Redhat

8.2; 8.4; 8.6 · source: NVD

Enterprise Linux Server Tus · Redhat

8.2; 8.4; 8.6 · source: NVD

Enterprise Linux Workstation · Redhat

7.0 · source: NVD

Affected product

Elfutils

Elfutils Project

All Elfutils CVEs

References

NVD

https://nvd.nist.gov/vuln/detail/CVE-2019-7664

CVE.org

https://www.cve.org/CVERecord?id=CVE-2019-7664

Third Party Advisory

https://access.redhat.com/errata/RHSA-2019:2197

Third Party Advisory

https://access.redhat.com/errata/RHSA-2019:3575

Exploit

https://sourceware.org/bugzilla/show_bug.cgi?id=24084