Out-of-bounds Read in Elfutils Project
CVE-2019-7665
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.
Vulnerability class: Buffer Overflow
Published · last modified .
CVSS v3 metric
CVSS v3 base score 5.5 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H.
EPSS exploit prediction
EPSS: 0.013 (69.5th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 70th percentile — 69.5% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.014 · newest: 0.013 · change: -0.001
Affected products
- Elfutils Project — versions 0.175
- Canonical Ubuntu Linux — versions 16.04, 18.04, 18.10
- Debian Linux — versions 8.0, 9.0
- openSUSE Leap — versions 15.0, 15.1
- Red Hat Enterprise Linux — versions 8.0
- Red Hat Enterprise Linux Desktop — versions 7.0
- Red Hat Enterprise Linux Eus — versions 8.1, 8.2, 8.4
- Red Hat Enterprise Linux Server — versions 7.0
- Red Hat Enterprise Linux Server Aus — versions 8.2, 8.4
- Red Hat Enterprise Linux Server Tus — versions 8.2, 8.4
Weakness classification (CWE)
Public proof-of-concept exploits
References
- sourceware.org/bugzilla/show_bug.cgi (Exploit, Third Party Advisory, Issue Tracking)
- lists.debian.org/debian-lts-announce/2019/02/msg00036.html (mailing-list, Mailing List, Third Party Advisory)
- sourceware.org/ml/elfutils-devel/2019-q1/msg00049.html (Exploit, Mailing List, Third Party Advisory)
- usn.ubuntu.com/4012-1/ (vendor-advisory, Third Party Advisory)
- lists.opensuse.org/opensuse-security-announce/2019-06/msg00052.html (vendor-advisory, Mailing List, Third Party Advisory)
- access.redhat.com/errata/RHSA-2019:2197 (vendor-advisory, Third Party Advisory)
- access.redhat.com/errata/RHSA-2019:3575 (vendor-advisory, Third Party Advisory)
- lists.debian.org/debian-lts-announce/2021/10/msg00030.html (mailing-list, Mailing List, Third Party Advisory)
Frequently asked questions
- What is CVE-2019-7665?
- CVE-2019-7665 is a medium-severity vulnerability in Elfutils Project, classified under Out-of-bounds Read. CVSS score: 5.5/10. Published 2019-02-09.
- How severe is CVE-2019-7665?
- Medium severity. CVSS v3 base score is 5.5 out of 10.
- Is CVE-2019-7665 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.