CVE-2019-7665

moderate-risk
Published 2019-02-09

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.

Do I need to act?

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0.14% chance of exploitation
EPSS score — low exploit probability
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Not on CISA KEV list
No confirmed active exploitation reported to CISA
?
Patch status unknown
Check vendor advisories for fix availability and mitigation guidance
5
CVSS 5.5/10 Medium
LOCAL / LOW complexity

Affected Products (19)

Affected Vendors

Debian Redhat Canonical Opensuse Elfutils Project

References (16)

Mailing List http://lists.opensuse.org/opensuse-security-announce/2019-06/msg00052.html
Third Party Advisory https://access.redhat.com/errata/RHSA-2019:2197
Third Party Advisory https://access.redhat.com/errata/RHSA-2019:3575
Mailing List https://lists.debian.org/debian-lts-announce/2019/02/msg00036.html
Mailing List https://lists.debian.org/debian-lts-announce/2021/10/msg00030.html
Exploit https://sourceware.org/bugzilla/show_bug.cgi?id=24089
Exploit https://sourceware.org/ml/elfutils-devel/2019-q1/msg00049.html
Third Party Advisory https://usn.ubuntu.com/4012-1/
Mailing List http://lists.opensuse.org/opensuse-security-announce/2019-06/msg00052.html
Third Party Advisory https://access.redhat.com/errata/RHSA-2019:2197
Third Party Advisory https://access.redhat.com/errata/RHSA-2019:3575
Mailing List https://lists.debian.org/debian-lts-announce/2019/02/msg00036.html
Mailing List https://lists.debian.org/debian-lts-announce/2021/10/msg00030.html
Exploit https://sourceware.org/bugzilla/show_bug.cgi?id=24089
Exploit https://sourceware.org/ml/elfutils-devel/2019-q1/msg00049.html
Third Party Advisory https://usn.ubuntu.com/4012-1/
38
/ 100
moderate-risk
Severity 18/34 · Moderate
Exploitability 1/34 · Minimal
Exposure 19/34 · Moderate