CVE-2019-7664
First published: Sat Feb 09 2019(Updated: )
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).
Credit: cve@mitre.org cve@mitre.org
| Affected Software | Affected Version | How to fix |
|---|---|---|
| CentOS Elfutils | =0.175 | |
| Red Hat Enterprise Linux | =8.0 | |
| Red Hat Enterprise Linux Desktop | =7.0 | |
| Red Hat Enterprise Linux Server EUS | =8.1 | |
| Red Hat Enterprise Linux Server EUS | =8.2 | |
| Red Hat Enterprise Linux Server EUS | =8.4 | |
| Red Hat Enterprise Linux Server EUS | =8.6 | |
| Red Hat Enterprise Linux Server | =7.0 | |
| Red Hat Enterprise Linux Server | =8.2 | |
| Red Hat Enterprise Linux Server | =8.4 | |
| Red Hat Enterprise Linux Server | =8.6 | |
| Red Hat Enterprise Linux Server | =8.2 | |
| Red Hat Enterprise Linux Server | =8.4 | |
| Red Hat Enterprise Linux Server | =8.6 | |
| Red Hat Enterprise Linux Workstation | =7.0 |
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Reference Links
- https://sourceware.org/bugzilla/show_bug.cgi?id=24084
- https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=1677537
- https://sourceware.org/git/?p=elfutils.git;a=commitdiff;h=c76f0b05676f6207affbfd85e75063db3b6eeccf;hp=cb6d865011ad98a8ac2018f072f396a2268739ca
- https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=1677536#c5
- https://sourceware.org/git/?p=elfutils.git;a=commitdiff
- https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=1677536#c9
- https://access.redhat.com/errata/RHSA-2019:2197
- https://access.redhat.com/security/cve/cve-2019-7664
- https://access.redhat.com/errata/RHSA-2019:3575
- https://bugzilla.redhat.com/show_bug.cgi?id=1677536
Frequently Asked Questions
What is the severity of CVE-2019-7664?
CVE-2019-7664 has a severity rating that typically qualifies it as a denial of service vulnerability.
How do I fix CVE-2019-7664?
To fix CVE-2019-7664, update to a patched version of elfutils beyond 0.175 that addresses this overflow vulnerability.
What systems are affected by CVE-2019-7664?
CVE-2019-7664 affects systems running elfutils version 0.175 and various Red Hat Enterprise Linux versions including 7.0 and 8.0 through 8.6.
What type of vulnerability is CVE-2019-7664?
CVE-2019-7664 is classified as a memory corruption vulnerability that can lead to a program crash.
Can exploitation of CVE-2019-7664 lead to data exposure?
Exploitation of CVE-2019-7664 primarily results in denial of service and does not directly lead to data exposure.
- agent/references
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