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AUSCERT External Security Bulletin Redistribution
ESB-2020.3342
libdbi-perl security update
29 September 2020
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AusCERT Security Bulletin Summary
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Product: libdbi-perl
Publisher: Debian
Operating System: Debian GNU/Linux 9
Impact/Access: Execute Arbitrary Code/Commands -- Existing Account
Denial of Service -- Existing Account
Resolution: Patch/Upgrade
CVE Names: CVE-2020-14393 CVE-2020-14392 CVE-2019-20919
Reference: ESB-2020.3262
ESB-2020.3169
Original Bulletin:
https://lists.debian.org/debian-lts-announce/2020/09/msg00026.html
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Debian LTS Advisory DLA-2386-1 debian-lts@lists.debian.org
https://www.debian.org/lts/security/
September 28, 2020 https://wiki.debian.org/LTS
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Package : libdbi-perl
Version : 1.636-1+deb9u1
CVE ID : CVE-2019-20919 CVE-2020-14392 CVE-2020-14393
Several vulnerabilities were discovered in the Perl5 Database
Interface (DBI). An attacker could trigger a denial-of-service (DoS)
and possibly execute arbitrary code.
CVE-2019-20919
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.
CVE-2020-14392
An untrusted pointer dereference flaw was found in Perl-DBI. A
local attacker who is able to manipulate calls to
dbd_db_login6_sv() could cause memory corruption, affecting the
service's availability.
CVE-2020-14393
A buffer overflow on via an overlong DBD class name in
dbih_setup_handle function may lead to data be written past the
intended limit.
For Debian 9 stretch, these problems have been fixed in version
1.636-1+deb9u1.
We recommend that you upgrade your libdbi-perl packages.
For the detailed security status of libdbi-perl please refer to
its security tracker page at:
https://security-tracker.debian.org/tracker/libdbi-perl
Further information about Debian LTS security advisories, how to apply
these updates to your system and frequently asked questions can be
found at: https://wiki.debian.org/LTS
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NOTE: Third Party Rights
This security bulletin is provided as a service to AusCERT's members. As
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===========================================================================
Australian Computer Emergency Response Team
The University of Queensland
Brisbane
Qld 4072
Internet Email: auscert@auscert.org.au
Facsimile: (07) 3365 7031
Telephone: (07) 3365 4417 (International: +61 7 3365 4417)
AusCERT personnel answer during Queensland business hours
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On call after hours for member emergencies only.
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