CVSS2
Attack Vector
NETWORK
Attack Complexity
LOW
Authentication
NONE
Confidentiality Impact
NONE
Integrity Impact
PARTIAL
Availability Impact
NONE
AV:N/AC:L/Au:N/C:N/I:P/A:N
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
HIGH
Availability Impact
NONE
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
EPSS
Percentile
54.1%
The update of mediawiki released as DLA-2379-2 contained a defect in the patch for CVE-2020-25827 which resulted from a possible use of an uninitialized variable. Updated mediawiki packages are now available to correct this issue.
For Debian 9 stretch, this problem has been fixed in version 1:1.27.7-1~deb9u6.
We recommend that you upgrade your mediawiki packages.
For the detailed security status of mediawiki please refer to its security tracker page at:
https://security-tracker.debian.org/tracker/mediawiki
NOTE: Tenable Network Security has extracted the preceding description block directly from the DLA security advisory. Tenable has attempted to automatically clean and format it as much as possible without introducing additional issues.
#
# (C) Tenable Network Security, Inc.
#
# The descriptive text and package checks in this plugin were
# extracted from Debian Security Advisory DLA-2379-3. The text
# itself is copyright (C) Software in the Public Interest, Inc.
#
include("compat.inc");
if (description)
{
script_id(140805);
script_version("1.3");
script_set_attribute(attribute:"plugin_modification_date", value:"2020/11/23");
script_name(english:"Debian DLA-2379-3 : mediawiki regression update");
script_summary(english:"Checks dpkg output for the updated packages.");
script_set_attribute(
attribute:"synopsis",
value:"The remote Debian host is missing a security update."
);
script_set_attribute(
attribute:"description",
value:
"The update of mediawiki released as DLA-2379-2 contained a defect in
the patch for CVE-2020-25827 which resulted from a possible use of an
uninitialized variable. Updated mediawiki packages are now available
to correct this issue.
For Debian 9 stretch, this problem has been fixed in version
1:1.27.7-1~deb9u6.
We recommend that you upgrade your mediawiki packages.
For the detailed security status of mediawiki please refer to its
security tracker page at:
https://security-tracker.debian.org/tracker/mediawiki
NOTE: Tenable Network Security has extracted the preceding description
block directly from the DLA security advisory. Tenable has attempted
to automatically clean and format it as much as possible without
introducing additional issues."
);
script_set_attribute(
attribute:"see_also",
value:"https://lists.debian.org/debian-lts-announce/2020/11/msg00036.html"
);
script_set_attribute(
attribute:"see_also",
value:"https://packages.debian.org/source/stretch/mediawiki"
);
script_set_attribute(
attribute:"see_also",
value:"https://security-tracker.debian.org/tracker/source-package/mediawiki"
);
script_set_attribute(
attribute:"solution",
value:"Upgrade the affected mediawiki, and mediawiki-classes packages."
);
script_set_attribute(attribute:"risk_factor", value:"High");
script_set_attribute(attribute:"plugin_type", value:"local");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:debian:debian_linux:mediawiki");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:debian:debian_linux:mediawiki-classes");
script_set_attribute(attribute:"cpe", value:"cpe:/o:debian:debian_linux:9.0");
script_set_attribute(attribute:"vuln_publication_date", value:"2020/11/21");
script_set_attribute(attribute:"patch_publication_date", value:"2020/11/21");
script_set_attribute(attribute:"plugin_publication_date", value:"2020/09/28");
script_set_attribute(attribute:"generated_plugin", value:"current");
script_end_attributes();
script_category(ACT_GATHER_INFO);
script_copyright(english:"This script is Copyright (C) 2020 and is owned by Tenable, Inc. or an Affiliate thereof.");
script_family(english:"Debian Local Security Checks");
script_dependencies("ssh_get_info.nasl");
script_require_keys("Host/local_checks_enabled", "Host/Debian/release", "Host/Debian/dpkg-l");
exit(0);
}
include("audit.inc");
include("debian_package.inc");
if (!get_kb_item("Host/local_checks_enabled")) audit(AUDIT_LOCAL_CHECKS_NOT_ENABLED);
if (!get_kb_item("Host/Debian/release")) audit(AUDIT_OS_NOT, "Debian");
if (!get_kb_item("Host/Debian/dpkg-l")) audit(AUDIT_PACKAGE_LIST_MISSING);
flag = 0;
if (deb_check(release:"9.0", prefix:"mediawiki", reference:"1:1.27.7-1~deb9u6")) flag++;
if (deb_check(release:"9.0", prefix:"mediawiki-classes", reference:"1:1.27.7-1~deb9u6")) flag++;
if (flag)
{
if (report_verbosity > 0) security_hole(port:0, extra:deb_report_get());
else security_hole(0);
exit(0);
}
else audit(AUDIT_HOST_NOT, "affected");
CVSS2
Attack Vector
NETWORK
Attack Complexity
LOW
Authentication
NONE
Confidentiality Impact
NONE
Integrity Impact
PARTIAL
Availability Impact
NONE
AV:N/AC:L/Au:N/C:N/I:P/A:N
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
HIGH
Availability Impact
NONE
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
EPSS
Percentile
54.1%