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[SECURITY] [DLA 2386-1] libdbi-perl security update



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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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