CVE-2019-7665 — MEDIUM (5.5)

Vulnerability Description

In elfutils 0.175, a heap-based buffer over-read was discovered in the function elf32_xlatetom in elf32_xlatetom.c in libelf. A crafted ELF input can cause a segmentation fault leading to denial of service (program crash) because ebl_core_note does not reject malformed core file notes.

CVSS Score

5.5

MEDIUM

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

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

REQUIRED

Scope

UNCHANGED

Confidentiality

NONE

Integrity

NONE

Availability

HIGH

Affected Products

Vendor	Product	Versions
Elfutils Project	Elfutils	0.175
Debian	Debian Linux	8.0
Canonical	Ubuntu Linux	16.04
Opensuse	Leap	15.0
Redhat	Enterprise Linux	8.0
Redhat	Enterprise Linux Desktop	7.0
Redhat	Enterprise Linux Eus	8.1
Redhat	Enterprise Linux Server	7.0
Redhat	Enterprise Linux Server Aus	8.2
Redhat	Enterprise Linux Server Tus	8.2
Redhat	Enterprise Linux Workstation	7.0

Related Weaknesses (CWE)

CWE-125

References

http://lists.opensuse.org/opensuse-security-announce/2019-06/msg00052.htmlMailing ListThird Party Advisory
https://access.redhat.com/errata/RHSA-2019:2197Third Party Advisory
https://access.redhat.com/errata/RHSA-2019:3575Third Party Advisory
https://lists.debian.org/debian-lts-announce/2019/02/msg00036.htmlMailing ListThird Party Advisory
https://lists.debian.org/debian-lts-announce/2021/10/msg00030.htmlMailing ListThird Party Advisory
https://sourceware.org/bugzilla/show_bug.cgi?id=24089ExploitIssue TrackingThird Party Advisory
https://sourceware.org/ml/elfutils-devel/2019-q1/msg00049.htmlExploitMailing ListThird Party Advisory
https://usn.ubuntu.com/4012-1/Third Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2019-06/msg00052.htmlMailing ListThird Party Advisory
https://access.redhat.com/errata/RHSA-2019:2197Third Party Advisory
https://access.redhat.com/errata/RHSA-2019:3575Third Party Advisory
https://lists.debian.org/debian-lts-announce/2019/02/msg00036.htmlMailing ListThird Party Advisory
https://lists.debian.org/debian-lts-announce/2021/10/msg00030.htmlMailing ListThird Party Advisory
https://sourceware.org/bugzilla/show_bug.cgi?id=24089ExploitIssue TrackingThird Party Advisory
https://sourceware.org/ml/elfutils-devel/2019-q1/msg00049.htmlExploitMailing ListThird Party Advisory

FAQ

What is CVE-2019-7665?

CVE-2019-7665 is a vulnerability with a CVSS score of 5.5 (MEDIUM). In elfutils 0.175, a heap-based buffer over-read was discovered in the function elf32_xlatetom in elf32_xlatetom.c in libelf. A crafted ELF input can cause a segmentation fault leading to denial of se...

How severe is CVE-2019-7665?

CVE-2019-7665 has been rated MEDIUM with a CVSS base score of 5.5/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2019-7665?

Check the references section above for vendor advisories and patch information. Affected products include: Elfutils Project Elfutils, Debian Debian Linux, Canonical Ubuntu Linux, Opensuse Leap, Redhat Enterprise Linux.