Vulnerability Details : 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.
Vulnerability category: Memory Corruption
Products affected by CVE-2019-20919
- cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*
- cpe:2.3:a:perl:dbi:*:*:*:*:*:*:*:*
- cpe:2.3:o:canonical:ubuntu_linux:12.04:*:*:*:-:*:*:*
- cpe:2.3:o:canonical:ubuntu_linux:14.04:*:*:*:esm:*:*:*
- cpe:2.3:o:canonical:ubuntu_linux:18.04:*:*:*:lts:*:*:*
- cpe:2.3:o:canonical:ubuntu_linux:16.04:*:*:*:esm:*:*:*
- cpe:2.3:o:fedoraproject:fedora:31:*:*:*:*:*:*:*
- cpe:2.3:o:opensuse:leap:15.1:*:*:*:*:*:*:*
- cpe:2.3:o:opensuse:leap:15.2:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2019-20919
0.05%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 12 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2019-20919
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
|---|---|---|---|---|---|---|
|
1.9
|
LOW | AV:L/AC:M/Au:N/C:N/I:N/A:P |
3.4
|
2.9
|
NIST | |
|
4.7
|
MEDIUM | CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H |
1.0
|
3.6
|
NIST |
CWE ids for CVE-2019-20919
-
The product dereferences a pointer that it expects to be valid but is NULL.Assigned by: nvd@nist.gov (Primary)
References for CVE-2019-20919
-
http://lists.opensuse.org/opensuse-security-announce/2020-10/msg00012.html
[security-announce] openSUSE-SU-2020:1620-1: important: Security updateMailing List;Third Party Advisory
-
https://metacpan.org/pod/distribution/DBI/Changes#Changes-in-DBI-1.643-...
DBI::Changes - List of significant changes to the DBI - metacpan.orgThird Party Advisory
-
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/JXLKODJ7B57GITDEZZXNSHPK4VBYXYHR/
[SECURITY] Fedora 31 Update: perl-DBI-1.643-3.fc31 - package-announce - Fedora Mailing-ListsMailing List;Third Party Advisory
-
https://usn.ubuntu.com/4534-1/
USN-4534-1: Perl DBI module vulnerability | Ubuntu security notices | UbuntuThird Party Advisory
-
https://lists.debian.org/debian-lts-announce/2020/09/msg00026.html
[SECURITY] [DLA 2386-1] libdbi-perl security updateMailing List;Third Party Advisory
-
https://github.com/perl5-dbi/dbi/commit/eca7d7c8f43d96f6277e86d1000e842eb4cc67ff
Fix a NULL profile dereference in dbi_profile() · perl5-dbi/dbi@eca7d7c · GitHubPatch;Third Party Advisory
-
http://lists.opensuse.org/opensuse-security-announce/2020-10/msg00013.html
[security-announce] openSUSE-SU-2020:1628-1: important: Security updateMailing List;Third Party Advisory
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