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
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
EPSS
Percentile
81.1%
Multiple security issues have been discovered in libwebp
CVE-2018-25009
An out-of-bounds read was found in function WebPMuxCreateInternal. The highest threat from this vulnerability is to data confidentiality and to the service availability.
CVE-2018-25010
An out-of-bounds read was found in function ApplyFilter. The highest threat from this vulnerability is to data confidentiality and to the service availability.
CVE-2018-25011
A heap-based buffer overflow was found in PutLE16(). The highest threat from this vulnerability is to data confidentiality and integrity as well as system availability.
CVE-2018-25012
An out-of-bounds read was found in function WebPMuxCreateInternal. The highest threat from this vulnerability is to data confidentiality and to the service availability.
CVE-2018-25013
An out-of-bounds read was found in function ShiftBytes. The highest threat from this vulnerability is to data confidentiality and to the service availability.
CVE-2018-25014
An unitialized variable is used in function ReadSymbol. The highest threat from this vulnerability is to data confidentiality and integrity as well as system availability.
CVE-2020-36328
A heap-based buffer overflow in function WebPDecodeRGBInto is possible due to an invalid check for buffer size. The highest threat from this vulnerability is to data confidentiality and integrity as well as system availability.
CVE-2020-36329
A use-after-free was found due to a thread being killed too early. The highest threat from this vulnerability is to data confidentiality and integrity as well as system availability.
CVE-2020-36330
An out-of-bounds read was found in function ChunkVerifyAndAssign. The highest threat from this vulnerability is to data confidentiality and to the service availability.
CVE-2020-36331
An out-of-bounds read was found in function ChunkAssignData. The highest threat from this vulnerability is to data confidentiality and to the service availability.
For Debian 9 stretch, these problems have been fixed in version 0.5.2-1+deb9u1.
We recommend that you upgrade your libwebp packages.
For the detailed security status of libwebp please refer to its security tracker page at:
https://security-tracker.debian.org/tracker/libwebp
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.
#%NASL_MIN_LEVEL 70300
#
# (C) Tenable Network Security, Inc.
#
# The descriptive text and package checks in this plugin were
# extracted from Debian Security Advisory DLA-2672-1. The text
# itself is copyright (C) Software in the Public Interest, Inc.
#
include('deprecated_nasl_level.inc');
include("compat.inc");
if (description)
{
script_id(150173);
script_version("1.3");
script_set_attribute(attribute:"plugin_modification_date", value:"2021/06/09");
script_cve_id("CVE-2018-25009", "CVE-2018-25010", "CVE-2018-25011", "CVE-2018-25012", "CVE-2018-25013", "CVE-2018-25014", "CVE-2020-36328", "CVE-2020-36329", "CVE-2020-36330", "CVE-2020-36331");
script_name(english:"Debian DLA-2672-1 : libwebp security 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:
"Multiple security issues have been discovered in libwebp
CVE-2018-25009
An out-of-bounds read was found in function WebPMuxCreateInternal. The
highest threat from this vulnerability is to data confidentiality and
to the service availability.
CVE-2018-25010
An out-of-bounds read was found in function ApplyFilter. The highest
threat from this vulnerability is to data confidentiality and to the
service availability.
CVE-2018-25011
A heap-based buffer overflow was found in PutLE16(). The highest
threat from this vulnerability is to data confidentiality and
integrity as well as system availability.
CVE-2018-25012
An out-of-bounds read was found in function WebPMuxCreateInternal. The
highest threat from this vulnerability is to data confidentiality and
to the service availability.
CVE-2018-25013
An out-of-bounds read was found in function ShiftBytes. The highest
threat from this vulnerability is to data confidentiality and to the
service availability.
CVE-2018-25014
An unitialized variable is used in function ReadSymbol. The highest
threat from this vulnerability is to data confidentiality and
integrity as well as system availability.
CVE-2020-36328
A heap-based buffer overflow in function WebPDecodeRGBInto is possible
due to an invalid check for buffer size. The highest threat from this
vulnerability is to data confidentiality and integrity as well as
system availability.
CVE-2020-36329
A use-after-free was found due to a thread being killed too early. The
highest threat from this vulnerability is to data confidentiality and
integrity as well as system availability.
CVE-2020-36330
An out-of-bounds read was found in function ChunkVerifyAndAssign. The
highest threat from this vulnerability is to data confidentiality and
to the service availability.
CVE-2020-36331
An out-of-bounds read was found in function ChunkAssignData. The
highest threat from this vulnerability is to data confidentiality and
to the service availability.
For Debian 9 stretch, these problems have been fixed in version
0.5.2-1+deb9u1.
We recommend that you upgrade your libwebp packages.
For the detailed security status of libwebp please refer to its
security tracker page at:
https://security-tracker.debian.org/tracker/libwebp
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/2021/06/msg00005.html"
);
script_set_attribute(
attribute:"see_also",
value:"https://packages.debian.org/source/stretch/libwebp"
);
script_set_attribute(
attribute:"see_also",
value:"https://security-tracker.debian.org/tracker/source-package/libwebp"
);
script_set_attribute(attribute:"solution", value:"Upgrade the affected packages.");
script_set_cvss_base_vector("CVSS2#AV:N/AC:L/Au:N/C:P/I:P/A:P");
script_set_cvss_temporal_vector("CVSS2#E:U/RL:OF/RC:C");
script_set_cvss3_base_vector("CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H");
script_set_cvss3_temporal_vector("CVSS:3.0/E:U/RL:O/RC:C");
script_set_attribute(attribute:"cvss_score_source", value:"CVE-2020-36329");
script_set_attribute(attribute:"exploitability_ease", value:"No known exploits are available");
script_set_attribute(attribute:"exploit_available", value:"false");
script_set_attribute(attribute:"plugin_type", value:"local");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:debian:debian_linux:libwebp-dev");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:debian:debian_linux:libwebp6");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:debian:debian_linux:libwebpdemux2");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:debian:debian_linux:libwebpmux2");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:debian:debian_linux:webp");
script_set_attribute(attribute:"cpe", value:"cpe:/o:debian:debian_linux:9.0");
script_set_attribute(attribute:"vuln_publication_date", value:"2021/05/21");
script_set_attribute(attribute:"patch_publication_date", value:"2021/06/05");
script_set_attribute(attribute:"plugin_publication_date", value:"2021/06/03");
script_set_attribute(attribute:"generated_plugin", value:"current");
script_end_attributes();
script_category(ACT_GATHER_INFO);
script_copyright(english:"This script is Copyright (C) 2021 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:"libwebp-dev", reference:"0.5.2-1+deb9u1")) flag++;
if (deb_check(release:"9.0", prefix:"libwebp6", reference:"0.5.2-1+deb9u1")) flag++;
if (deb_check(release:"9.0", prefix:"libwebpdemux2", reference:"0.5.2-1+deb9u1")) flag++;
if (deb_check(release:"9.0", prefix:"libwebpmux2", reference:"0.5.2-1+deb9u1")) flag++;
if (deb_check(release:"9.0", prefix:"webp", reference:"0.5.2-1+deb9u1")) 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");
cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-25009
cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-25010
cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-25011
cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-25012
cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-25013
cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-25014
cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-36328
cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-36329
cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-36330
cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-36331
lists.debian.org/debian-lts-announce/2021/06/msg00005.html
packages.debian.org/source/stretch/libwebp
security-tracker.debian.org/tracker/source-package/libwebp
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
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
EPSS
Percentile
81.1%