Medium severity · published Sep 17, 2020
CVE-2019-20919
An issue was discovered in the DBI module before 1.643 for Perl
4.7
CVSS
0.5%
EPSS
No
On KEV
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 vector
CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H
Attack vector
Local
Complexity
High
Privileges
Low
User interaction
None
Confidentiality
None
Integrity
None
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.5% · higher than 42% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
DB
Dbi · Perl
before 1.643 · source: NVD
DL
Debian Linux · Debian
9.0 · source: NVD
FE
Fedora · Fedoraproject
31 · source: NVD
LE
Leap · Opensuse
15.1; 15.2 · source: NVD
UL
Ubuntu Linux · Canonical
12.04; 14.04; 16.04; 18.04 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2019-20919
CVE.org
https://www.cve.org/CVERecord?id=CVE-2019-20919
Mailing List
http://lists.opensuse.org/opensuse-security-announce/2020-10/msg00012.html
Mailing List
http://lists.opensuse.org/opensuse-security-announce/2020-10/msg00013.html
Patch
https://github.com/perl5-dbi/dbi/commit/eca7d7c8f43d96f6277e86d1000e842eb4cc67ff
Mailing List
https://lists.debian.org/debian-lts-announce/2020/09/msg00026.html
lists.fedoraproject.org
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/JXLKODJ7B57GITDEZZXNSHPK4VBYXYHR/
Third Party Advisory
https://metacpan.org/pod/distribution/DBI/Changes#Changes-in-DBI-1.643-...
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