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DebianDEBIAN:DLA-2739-1:DCF12

HistoryAug 11, 2021 - 3:43 p.m.

[SECURITY] [DLA 2739-1] libspf2 security update

2021-08-1115:43:04

lists.debian.org

7.5 High

CVSS2

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

AV:N/AC:L/Au:N/C:P/I:P/A:P

9.8 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

9.7 High

AI Score

Confidence

High

0.003 Low

EPSS

Percentile

70.9%

JSON

Debian LTS Advisory DLA-2739-1 [email protected]
https://www.debian.org/lts/security/ Markus Koschany
August 11, 2021 https://wiki.debian.org/LTS

Package : libspf2
Version : 1.2.10-7+deb9u1
CVE ID : CVE-2021-20314

Philipp Jeitner and Haya Shulman discovered a stack-based buffer
overflow in libspf2, a library for validating mail senders with SPF,
which could result in denial of service, or potentially execution of
arbitrary code when processing a specially crafted SPF record.

For Debian 9 stretch, this problem has been fixed in version
1.2.10-7+deb9u1.

We recommend that you upgrade your libspf2 packages.

For the detailed security status of libspf2 please refer to
its security tracker page at:
https://security-tracker.debian.org/tracker/libspf2

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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OSVersionArchitecturePackageVersionFilename
Debian9armhflibspf2-2-dbg< 1.2.10-7+deb9u1libspf2-2-dbg_1.2.10-7+deb9u1_armhf.deb
Debian10mipslibspf2-dev< 1.2.10-7.1~deb10u1libspf2-dev_1.2.10-7.1~deb10u1_mips.deb
Debian10s390xlibmail-spf-xs-perl< 1.2.10-7.1~deb10u1libmail-spf-xs-perl_1.2.10-7.1~deb10u1_s390x.deb
Debian11mips64ellibspf2-2< 1.2.10-7.1~deb11u1libspf2-2_1.2.10-7.1~deb11u1_mips64el.deb
Debian9armellibspf2-2-dbg< 1.2.10-7+deb9u1libspf2-2-dbg_1.2.10-7+deb9u1_armel.deb
Debian10armelspfquery< 1.2.10-7.1~deb10u1spfquery_1.2.10-7.1~deb10u1_armel.deb
Debian10mips64ellibmail-spf-xs-perl< 1.2.10-7.1~deb10u1libmail-spf-xs-perl_1.2.10-7.1~deb10u1_mips64el.deb
Debian11arm64libspf2-2-dbg< 1.2.10-7.1~deb11u1libspf2-2-dbg_1.2.10-7.1~deb11u1_arm64.deb
Debian10ppc64ellibspf2-2-dbg< 1.2.10-7.1~deb10u1libspf2-2-dbg_1.2.10-7.1~deb10u1_ppc64el.deb
Debian9armellibspf2-dev< 1.2.10-7+deb9u1libspf2-dev_1.2.10-7+deb9u1_armel.deb

OS	Version	Architecture	Package	Version	Filename
Debian	9	armhf	libspf2-2-dbg	< 1.2.10-7+deb9u1	libspf2-2-dbg_1.2.10-7+deb9u1_armhf.deb
Debian	10	mips	libspf2-dev	< 1.2.10-7.1~deb10u1	libspf2-dev_1.2.10-7.1~deb10u1_mips.deb
Debian	10	s390x	libmail-spf-xs-perl	< 1.2.10-7.1~deb10u1	libmail-spf-xs-perl_1.2.10-7.1~deb10u1_s390x.deb
Debian	11	mips64el	libspf2-2	< 1.2.10-7.1~deb11u1	libspf2-2_1.2.10-7.1~deb11u1_mips64el.deb
Debian	9	armel	libspf2-2-dbg	< 1.2.10-7+deb9u1	libspf2-2-dbg_1.2.10-7+deb9u1_armel.deb
Debian	10	armel	spfquery	< 1.2.10-7.1~deb10u1	spfquery_1.2.10-7.1~deb10u1_armel.deb
Debian	10	mips64el	libmail-spf-xs-perl	< 1.2.10-7.1~deb10u1	libmail-spf-xs-perl_1.2.10-7.1~deb10u1_mips64el.deb
Debian	11	arm64	libspf2-2-dbg	< 1.2.10-7.1~deb11u1	libspf2-2-dbg_1.2.10-7.1~deb11u1_arm64.deb
Debian	10	ppc64el	libspf2-2-dbg	< 1.2.10-7.1~deb10u1	libspf2-2-dbg_1.2.10-7.1~deb10u1_ppc64el.deb
Debian	9	armel	libspf2-dev	< 1.2.10-7+deb9u1	libspf2-dev_1.2.10-7+deb9u1_armel.deb