CVE-2019-20919

MEDIUM EPSS 39.3%
Published Sep 17, 20205y ago · Modified Jun 17, 20262w ago
4.7 CVSS 3.1
Medium
Find Similar
Published Sep 17, 2020 5y ago
Last Modified Jun 17, 2026 2w ago

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 Details

Base Score
4.7
Exploitability
1.0
Impact
3.6
Vector string
CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H
Attack Vector Local
Attack Complexity High
Privileges Required Low
User Interaction None
Scope Unchanged
Confidentiality None
Integrity None
Availability High

Threat Intelligence

EPSS Exploit Probability
39.3% percentile
Exploit & Patch Status
No Known Exploit
Patch Available

Weaknesses 1

CWE-476 NULL Pointer Dereference Memory Safety

Affected Products 9

VendorProductVersionRange
perldbi* <1.643
fedoraprojectfedora31any
canonicalubuntu_linux12.04any
canonicalubuntu_linux14.04any
canonicalubuntu_linux16.04any
canonicalubuntu_linux18.04any
debiandebian_linux9.0any
opensuseleap15.1any
opensuseleap15.2any

References 7

  • lists.opensuse.org http://lists.opensuse.org/opensuse-security-announce/2020-10/msg00012.html
    Mailing ListThird Party Advisory
  • lists.opensuse.org http://lists.opensuse.org/opensuse-security-announce/2020-10/msg00013.html
    Mailing ListThird Party Advisory
  • github.com https://github.com/perl5-dbi/dbi/commit/eca7d7c8f43d96f6277e86d1000e842eb4cc67ff
    PatchThird Party Advisory
  • lists.debian.org https://lists.debian.org/debian-lts-announce/2020/09/msg00026.html
    Mailing ListThird Party Advisory
  • lists.fedoraproject.org https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/JXLKODJ7B57GITDEZZXNSHPK4VBYXYHR/
  • metacpan.org https://metacpan.org/pod/distribution/DBI/Changes#Changes-in-DBI-1.643-...
    Third Party Advisory
  • usn.ubuntu.com https://usn.ubuntu.com/4534-1/
    Third Party Advisory

Remediation

  • github.com https://github.com/perl5-dbi/dbi/commit/eca7d7c8f43d96f6277e86d1000e842eb4cc67ff
    PatchThird Party Advisory