7.2 High
CVSS2
Attack Vector
LOCAL
Attack Complexity
LOW
Authentication
NONE
Confidentiality Impact
COMPLETE
Integrity Impact
COMPLETE
Availability Impact
COMPLETE
AV:L/AC:L/Au:N/C:C/I:C/A:C
7.8 High
CVSS3
Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
0.001 Low
EPSS
Percentile
26.8%
The Qualys Research Labs discovered various problems in the dynamic linker of the GNU C Library which allow local privilege escalation by clashing the stack. For the full details, please refer to their advisory published at:
https://www.qualys.com/2017/06/19/stack-clash/stack-clash.txt
#%NASL_MIN_LEVEL 70300
#
# (C) Tenable Network Security, Inc.
#
# The descriptive text and package checks in this plugin were
# extracted from Debian Security Advisory DSA-3887. The text
# itself is copyright (C) Software in the Public Interest, Inc.
#
include('deprecated_nasl_level.inc');
include('compat.inc');
if (description)
{
script_id(100878);
script_version("3.10");
script_set_attribute(attribute:"plugin_modification_date", value:"2021/01/04");
script_cve_id("CVE-2017-1000366");
script_xref(name:"DSA", value:"3887");
script_name(english:"Debian DSA-3887-1 : glibc - security update (Stack Clash)");
script_summary(english:"Checks dpkg output for the updated package");
script_set_attribute(
attribute:"synopsis",
value:"The remote Debian host is missing a security-related update."
);
script_set_attribute(
attribute:"description",
value:
"The Qualys Research Labs discovered various problems in the dynamic
linker of the GNU C Library which allow local privilege escalation by
clashing the stack. For the full details, please refer to their
advisory published at:
https://www.qualys.com/2017/06/19/stack-clash/stack-clash.txt"
);
script_set_attribute(
attribute:"see_also",
value:"https://www.qualys.com/2017/06/19/stack-clash/stack-clash.txt"
);
script_set_attribute(
attribute:"see_also",
value:"https://packages.debian.org/source/jessie/glibc"
);
script_set_attribute(
attribute:"see_also",
value:"https://packages.debian.org/source/stretch/glibc"
);
script_set_attribute(
attribute:"see_also",
value:"https://www.debian.org/security/2017/dsa-3887"
);
script_set_attribute(
attribute:"solution",
value:
"Upgrade the glibc packages.
For the oldstable distribution (jessie), this problem has been fixed
in version 2.19-18+deb8u10.
For the stable distribution (stretch), this problem has been fixed in
version 2.24-11+deb9u1."
);
script_set_cvss_base_vector("CVSS2#AV:L/AC:L/Au:N/C:C/I:C/A:C");
script_set_cvss_temporal_vector("CVSS2#E:POC/RL:OF/RC:C");
script_set_cvss3_base_vector("CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H");
script_set_cvss3_temporal_vector("CVSS:3.0/E:P/RL:O/RC:C");
script_set_attribute(attribute:"exploitability_ease", value:"Exploits are available");
script_set_attribute(attribute:"exploit_available", value:"true");
script_set_attribute(attribute:"exploited_by_malware", value:"true");
script_set_attribute(attribute:"plugin_type", value:"local");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:debian:debian_linux:glibc");
script_set_attribute(attribute:"cpe", value:"cpe:/o:debian:debian_linux:8.0");
script_set_attribute(attribute:"cpe", value:"cpe:/o:debian:debian_linux:9.0");
script_set_attribute(attribute:"vuln_publication_date", value:"2017/06/19");
script_set_attribute(attribute:"patch_publication_date", value:"2017/06/19");
script_set_attribute(attribute:"plugin_publication_date", value:"2017/06/20");
script_set_attribute(attribute:"in_the_news", value:"true");
script_set_attribute(attribute:"generated_plugin", value:"current");
script_end_attributes();
script_category(ACT_GATHER_INFO);
script_copyright(english:"This script is Copyright (C) 2017-2021 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:"8.0", prefix:"glibc-doc", reference:"2.19-18+deb8u10")) flag++;
if (deb_check(release:"8.0", prefix:"glibc-source", reference:"2.19-18+deb8u10")) flag++;
if (deb_check(release:"8.0", prefix:"libc-bin", reference:"2.19-18+deb8u10")) flag++;
if (deb_check(release:"8.0", prefix:"libc-dev-bin", reference:"2.19-18+deb8u10")) flag++;
if (deb_check(release:"8.0", prefix:"libc6", reference:"2.19-18+deb8u10")) flag++;
if (deb_check(release:"8.0", prefix:"libc6-amd64", reference:"2.19-18+deb8u10")) flag++;
if (deb_check(release:"8.0", prefix:"libc6-dbg", reference:"2.19-18+deb8u10")) flag++;
if (deb_check(release:"8.0", prefix:"libc6-dev", reference:"2.19-18+deb8u10")) flag++;
if (deb_check(release:"8.0", prefix:"libc6-dev-amd64", reference:"2.19-18+deb8u10")) flag++;
if (deb_check(release:"8.0", prefix:"libc6-dev-i386", reference:"2.19-18+deb8u10")) flag++;
if (deb_check(release:"8.0", prefix:"libc6-dev-mips64", reference:"2.19-18+deb8u10")) flag++;
if (deb_check(release:"8.0", prefix:"libc6-dev-mipsn32", reference:"2.19-18+deb8u10")) flag++;
if (deb_check(release:"8.0", prefix:"libc6-dev-ppc64", reference:"2.19-18+deb8u10")) flag++;
if (deb_check(release:"8.0", prefix:"libc6-dev-s390", reference:"2.19-18+deb8u10")) flag++;
if (deb_check(release:"8.0", prefix:"libc6-dev-x32", reference:"2.19-18+deb8u10")) flag++;
if (deb_check(release:"8.0", prefix:"libc6-i386", reference:"2.19-18+deb8u10")) flag++;
if (deb_check(release:"8.0", prefix:"libc6-i686", reference:"2.19-18+deb8u10")) flag++;
if (deb_check(release:"8.0", prefix:"libc6-loongson2f", reference:"2.19-18+deb8u10")) flag++;
if (deb_check(release:"8.0", prefix:"libc6-mips64", reference:"2.19-18+deb8u10")) flag++;
if (deb_check(release:"8.0", prefix:"libc6-mipsn32", reference:"2.19-18+deb8u10")) flag++;
if (deb_check(release:"8.0", prefix:"libc6-pic", reference:"2.19-18+deb8u10")) flag++;
if (deb_check(release:"8.0", prefix:"libc6-ppc64", reference:"2.19-18+deb8u10")) flag++;
if (deb_check(release:"8.0", prefix:"libc6-s390", reference:"2.19-18+deb8u10")) flag++;
if (deb_check(release:"8.0", prefix:"libc6-x32", reference:"2.19-18+deb8u10")) flag++;
if (deb_check(release:"8.0", prefix:"libc6-xen", reference:"2.19-18+deb8u10")) flag++;
if (deb_check(release:"8.0", prefix:"locales", reference:"2.19-18+deb8u10")) flag++;
if (deb_check(release:"8.0", prefix:"locales-all", reference:"2.19-18+deb8u10")) flag++;
if (deb_check(release:"8.0", prefix:"multiarch-support", reference:"2.19-18+deb8u10")) flag++;
if (deb_check(release:"8.0", prefix:"nscd", reference:"2.19-18+deb8u10")) flag++;
if (deb_check(release:"9.0", prefix:"glibc-doc", reference:"2.24-11+deb9u1")) flag++;
if (deb_check(release:"9.0", prefix:"glibc-source", reference:"2.24-11+deb9u1")) flag++;
if (deb_check(release:"9.0", prefix:"libc-bin", reference:"2.24-11+deb9u1")) flag++;
if (deb_check(release:"9.0", prefix:"libc-dev-bin", reference:"2.24-11+deb9u1")) flag++;
if (deb_check(release:"9.0", prefix:"libc-l10n", reference:"2.24-11+deb9u1")) flag++;
if (deb_check(release:"9.0", prefix:"libc6", reference:"2.24-11+deb9u1")) flag++;
if (deb_check(release:"9.0", prefix:"libc6-amd64", reference:"2.24-11+deb9u1")) flag++;
if (deb_check(release:"9.0", prefix:"libc6-dbg", reference:"2.24-11+deb9u1")) flag++;
if (deb_check(release:"9.0", prefix:"libc6-dev", reference:"2.24-11+deb9u1")) flag++;
if (deb_check(release:"9.0", prefix:"libc6-dev-amd64", reference:"2.24-11+deb9u1")) flag++;
if (deb_check(release:"9.0", prefix:"libc6-dev-i386", reference:"2.24-11+deb9u1")) flag++;
if (deb_check(release:"9.0", prefix:"libc6-dev-mips32", reference:"2.24-11+deb9u1")) flag++;
if (deb_check(release:"9.0", prefix:"libc6-dev-mips64", reference:"2.24-11+deb9u1")) flag++;
if (deb_check(release:"9.0", prefix:"libc6-dev-mipsn32", reference:"2.24-11+deb9u1")) flag++;
if (deb_check(release:"9.0", prefix:"libc6-dev-s390", reference:"2.24-11+deb9u1")) flag++;
if (deb_check(release:"9.0", prefix:"libc6-dev-x32", reference:"2.24-11+deb9u1")) flag++;
if (deb_check(release:"9.0", prefix:"libc6-i386", reference:"2.24-11+deb9u1")) flag++;
if (deb_check(release:"9.0", prefix:"libc6-i686", reference:"2.24-11+deb9u1")) flag++;
if (deb_check(release:"9.0", prefix:"libc6-mips32", reference:"2.24-11+deb9u1")) flag++;
if (deb_check(release:"9.0", prefix:"libc6-mips64", reference:"2.24-11+deb9u1")) flag++;
if (deb_check(release:"9.0", prefix:"libc6-mipsn32", reference:"2.24-11+deb9u1")) flag++;
if (deb_check(release:"9.0", prefix:"libc6-pic", reference:"2.24-11+deb9u1")) flag++;
if (deb_check(release:"9.0", prefix:"libc6-s390", reference:"2.24-11+deb9u1")) flag++;
if (deb_check(release:"9.0", prefix:"libc6-x32", reference:"2.24-11+deb9u1")) flag++;
if (deb_check(release:"9.0", prefix:"libc6-xen", reference:"2.24-11+deb9u1")) flag++;
if (deb_check(release:"9.0", prefix:"locales", reference:"2.24-11+deb9u1")) flag++;
if (deb_check(release:"9.0", prefix:"locales-all", reference:"2.24-11+deb9u1")) flag++;
if (deb_check(release:"9.0", prefix:"multiarch-support", reference:"2.24-11+deb9u1")) flag++;
if (deb_check(release:"9.0", prefix:"nscd", reference:"2.24-11+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");
Vendor | Product | Version | CPE |
---|---|---|---|
debian | debian_linux | glibc | p-cpe:/a:debian:debian_linux:glibc |
debian | debian_linux | 8.0 | cpe:/o:debian:debian_linux:8.0 |
debian | debian_linux | 9.0 | cpe:/o:debian:debian_linux:9.0 |
7.2 High
CVSS2
Attack Vector
LOCAL
Attack Complexity
LOW
Authentication
NONE
Confidentiality Impact
COMPLETE
Integrity Impact
COMPLETE
Availability Impact
COMPLETE
AV:L/AC:L/Au:N/C:C/I:C/A:C
7.8 High
CVSS3
Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
0.001 Low
EPSS
Percentile
26.8%