Vulnerability 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.
CVSS Score
MEDIUM
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Perl | Dbi | < 1.643 |
| Fedoraproject | Fedora | 31 |
| Canonical | Ubuntu Linux | 12.04 |
| Debian | Debian Linux | 9.0 |
| Opensuse | Leap | 15.1 |
Related Weaknesses (CWE)
References
- http://lists.opensuse.org/opensuse-security-announce/2020-10/msg00012.htmlMailing ListThird Party Advisory
- http://lists.opensuse.org/opensuse-security-announce/2020-10/msg00013.htmlMailing ListThird Party Advisory
- https://github.com/perl5-dbi/dbi/commit/eca7d7c8f43d96f6277e86d1000e842eb4cc67ffPatchThird Party Advisory
- https://lists.debian.org/debian-lts-announce/2020/09/msg00026.htmlMailing ListThird Party Advisory
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedorapro
- 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 ListThird Party Advisory
- http://lists.opensuse.org/opensuse-security-announce/2020-10/msg00013.htmlMailing ListThird Party Advisory
- https://github.com/perl5-dbi/dbi/commit/eca7d7c8f43d96f6277e86d1000e842eb4cc67ffPatchThird Party Advisory
- https://lists.debian.org/debian-lts-announce/2020/09/msg00026.htmlMailing ListThird Party Advisory
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedorapro
- https://metacpan.org/pod/distribution/DBI/Changes#Changes-in-DBI-1.643-...Third Party Advisory
- https://usn.ubuntu.com/4534-1/Third Party Advisory
FAQ
What is CVE-2019-20919?
CVE-2019-20919 is a vulnerability with a CVSS score of 4.7 (MEDIUM). 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), causin...
How severe is CVE-2019-20919?
CVE-2019-20919 has been rated MEDIUM with a CVSS base score of 4.7/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2019-20919?
Check the references section above for vendor advisories and patch information. Affected products include: Perl Dbi, Fedoraproject Fedora, Canonical Ubuntu Linux, Debian Debian Linux, Opensuse Leap.