PRIOn knowledge basePRION:CVE-2019-20919Null pointer dereference
4.7 Medium
CVSS3
Attack Vector
LOCAL
Attack Complexity
HIGH
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
HIGH
CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H
5 Medium
AI Score
Confidence
High
1.9 Low
CVSS2
Access Vector
LOCAL
Access Complexity
MEDIUM
Authentication
NONE
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
PARTIAL
AV:L/AC:M/Au:N/C:N/I:N/A:P
0.0004 Low
EPSS
Percentile
12.3%
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.
| CPE | Name | Operator | Version |
|---|---|---|---|
| ubuntu_linux | eq | 18.04 | |
| ubuntu_linux | eq | 14.04 | |
| ubuntu_linux | eq | 16.04 | |
| ubuntu_linux | eq | 12.04 | |
| debian_linux | eq | 9.0 | |
| fedora | eq | 31 | |
| leap | eq | 15.1 | |
| leap | eq | 15.2 | |
| dbi | lt | 1.643 |
References
lists.opensuse.org/opensuse-security-announce/2020-10/msg00012.html
lists.opensuse.org/opensuse-security-announce/2020-10/msg00013.html
github.com/perl5-dbi/dbi/commit/eca7d7c8f43d96f6277e86d1000e842eb4cc67ff
lists.debian.org/debian-lts-announce/2020/09/msg00026.html
lists.fedoraproject.org/archives/list/[email protected]/message/JXLKODJ7B57GITDEZZXNSHPK4VBYXYHR/
metacpan.org/pod/distribution/DBI/Changes
usn.ubuntu.com/4534-1/
Related
4.7 Medium
CVSS3
Attack Vector
LOCAL
Attack Complexity
HIGH
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
HIGH
CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H
5 Medium
AI Score
Confidence
High
1.9 Low
CVSS2
Access Vector
LOCAL
Access Complexity
MEDIUM
Authentication
NONE
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
PARTIAL
AV:L/AC:M/Au:N/C:N/I:N/A:P
0.0004 Low
EPSS
Percentile
12.3%