CVE-2019-20919
MEDIUMCVSS 4.7/10EPSS 0.51%
Last modified
CVE-2019-20919 is a medium-severity vulnerability rated 4.7/10 on the CVSS scale. An issue was discovered in the DBI module before 1.643 for Perl. The hv_fetch() documentation requires checking for NULL and the code does that. EPSS estimates a 0.51% chance of exploitation in the next 30 days.
Description
An issue was discovered in the DBI module before 1.643 for Perl. The hv_fetch() documentation requires checking for NULL and the code does that. But, shortly thereafter, it calls SvOK(profile), causing a NULL pointer dereference.
Metrics
CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Perl | Dbi | < 1.643 |
| Fedoraproject | Fedora | 31 |
| Canonical | Ubuntu Linux | 12.04 |
| Canonical | Ubuntu Linux | 14.04 |
| Canonical | Ubuntu Linux | 16.04 |
| Canonical | Ubuntu Linux | 18.04 |
| Debian | Debian Linux | 9.0 |
| Opensuse | Leap | 15.1 |
| Opensuse | Leap | 15.2 |
References
- http://lists.opensuse.org/opensuse-security-announce/2020-10/msg00012.htmlMailing List, Third Party Advisory
- http://lists.opensuse.org/opensuse-security-announce/2020-10/msg00013.htmlMailing List, Third Party Advisory
- https://github.com/perl5-dbi/dbi/commit/eca7d7c8f43d96f6277e86d1000e842eb4cc67ffPatch, Third Party Advisory
- https://lists.debian.org/debian-lts-announce/2020/09/msg00026.htmlMailing List, Third Party Advisory
- https://metacpan.org/pod/distribution/DBI/Changes#Changes-in-DBI-1.643-...Third Party Advisory
- https://usn.ubuntu.com/4534-1/Third Party Advisory
- http://lists.opensuse.org/opensuse-security-announce/2020-10/msg00012.htmlMailing List, Third Party Advisory
- http://lists.opensuse.org/opensuse-security-announce/2020-10/msg00013.htmlMailing List, Third Party Advisory
- https://github.com/perl5-dbi/dbi/commit/eca7d7c8f43d96f6277e86d1000e842eb4cc67ffPatch, Third Party Advisory
- https://lists.debian.org/debian-lts-announce/2020/09/msg00026.htmlMailing List, Third Party Advisory
- https://metacpan.org/pod/distribution/DBI/Changes#Changes-in-DBI-1.643-...Third Party Advisory
- https://usn.ubuntu.com/4534-1/Third Party Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is CVE-2019-20919?
An issue was discovered in the DBI module before 1.643 for Perl. The hv_fetch() documentation requires checking for NULL and the code does that. But, shortly thereafter, it calls SvOK(profile), causing a NULL pointer dereference.
How severe is CVE-2019-20919?
CVE-2019-20919 has a CVSS score of 4.7/10 (MEDIUM severity). The EPSS model estimates a 0.51% probability of exploitation in the next 30 days.
How do I fix CVE-2019-20919?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.
Are you affected by CVE-2019-20919?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST