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HistoryMar 14, 2016 - 5:48 a.m.

[SECURITY] [DSA 3517-1] exim4 security update

2016-03-1405:48:18
lists.debian.org
5

7 High

CVSS3

Attack Vector

LOCAL

Attack Complexity

HIGH

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

CVSS:3.0/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H

6.9 Medium

CVSS2

Access Vector

LOCAL

Access Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

COMPLETE

Integrity Impact

COMPLETE

Availability Impact

COMPLETE

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


Debian Security Advisory DSA-3517-1 [email protected]
https://www.debian.org/security/ Salvatore Bonaccorso
March 14, 2016 https://www.debian.org/security/faq


Package : exim4
CVE ID : CVE-2016-1531

A local root privilege escalation vulnerability was found in Exim,
Debian's default mail transfer agent, in configurations using the
'perl_startup' option (Only Exim via exim4-daemon-heavy enables Perl
support).

To address the vulnerability, updated Exim versions clean the complete
execution environment by default, affecting Exim and subprocesses such
as transports calling other programs, and thus may break existing
installations. New configuration options (keep_environment,
add_environment) were introduced to adjust this behavior.

More information can be found in the upstream advisory at
https://www.exim.org/static/doc/CVE-2016-1531.txt

For the oldstable distribution (wheezy), this problem has been fixed
in version 4.80-7+deb7u2.

For the stable distribution (jessie), this problem has been fixed in
version 4.84.2-1.

For the testing distribution (stretch), this problem has been fixed
in version 4.86.2-1.

For the unstable distribution (sid), this problem has been fixed in
version 4.86.2-1.

We recommend that you upgrade your exim4 packages.

Further information about Debian Security Advisories, how to apply
these updates to your system and frequently asked questions can be
found at: https://www.debian.org/security/

Mailing list: [email protected]

7 High

CVSS3

Attack Vector

LOCAL

Attack Complexity

HIGH

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

CVSS:3.0/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H

6.9 Medium

CVSS2

Access Vector

LOCAL

Access Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

COMPLETE

Integrity Impact

COMPLETE

Availability Impact

COMPLETE

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

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