CVE-2019-7665
First published: Sat Feb 09 2019(Updated: )
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. References: <a href="https://sourceware.org/bugzilla/show_bug.cgi?id=24089">https://sourceware.org/bugzilla/show_bug.cgi?id=24089</a> <a href="https://sourceware.org/ml/elfutils-devel/2019-q1/msg00049.html">https://sourceware.org/ml/elfutils-devel/2019-q1/msg00049.html</a>
Credit: cve@mitre.org cve@mitre.org cve@mitre.org
| Affected Software | Affected Version | How to fix |
|---|---|---|
| debian/elfutils | 0.183-1 0.188-2.1 0.192-4 | |
| CentOS Elfutils | =0.175 | |
| Debian | =8.0 | |
| Debian | =9.0 | |
| Ubuntu | =16.04 | |
| Ubuntu | =18.04 | |
| Ubuntu | =18.10 | |
| SUSE Linux | =15.0 | |
| SUSE Linux | =15.1 | |
| 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 | =7.0 | |
| Red Hat Enterprise Linux Server | =8.2 | |
| Red Hat Enterprise Linux Server | =8.4 | |
| Red Hat Enterprise Linux Server | =8.2 | |
| Red Hat Enterprise Linux Server | =8.4 | |
| Red Hat Enterprise Linux Workstation | =7.0 |
Remedy
https://sourceware.org/git/?p=elfutils.git;a=commit;h=de01cc6f9446187d69b9748bb3636361c79e77a4
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Reference Links
- http://lists.opensuse.org/opensuse-security-announce/2019-06/msg00052.html
- https://access.redhat.com/errata/RHSA-2019:2197
- https://access.redhat.com/errata/RHSA-2019:3575
- https://lists.debian.org/debian-lts-announce/2019/02/msg00036.html
- https://lists.debian.org/debian-lts-announce/2021/10/msg00030.html
- https://sourceware.org/bugzilla/show_bug.cgi?id=24089
- https://sourceware.org/ml/elfutils-devel/2019-q1/msg00049.html
- https://usn.ubuntu.com/4012-1/
- https://launchpad.net/bugs/cve/CVE-2019-7665
- https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=1677539
- https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=1677538#c5
- https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=1677538#c6
- https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=1677538#c7
- https://access.redhat.com/security/cve/cve-2019-7665
- https://bugzilla.redhat.com/show_bug.cgi?id=1677538
- https://sourceware.org/git/?p=elfutils.git;a=commit;h=de01cc6f9446187d69b9748bb3636361c79e77a4
- https://security-tracker.debian.org/tracker/CVE-2019-7665
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-7665
- https://nvd.nist.gov/vuln/detail/CVE-2019-7665
- https://ubuntu.com/security/CVE-2019-7665
Frequently Asked Questions
What is the severity of CVE-2019-7665?
The severity of CVE-2019-7665 is classified as high due to the potential for denial of service.
How do I fix CVE-2019-7665?
To fix CVE-2019-7665, you should upgrade to elfutils version 0.183-1 or later.
Which versions are affected by CVE-2019-7665?
CVE-2019-7665 affects elfutils version 0.175 and earlier versions.
What systems are vulnerable to CVE-2019-7665?
Vulnerable systems include Debian 8.0, Debian 9.0, Ubuntu 16.04, Ubuntu 18.04, and various versions of Red Hat Enterprise Linux.
What type of vulnerability is CVE-2019-7665?
CVE-2019-7665 is classified as a heap-based buffer over-read vulnerability.
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