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
0.016 Low
EPSS
Percentile
87.3%
It was discovered that there was two issues in shiro, a security framework for Java application :
CVE-2020-1957: Fix a path-traversal issue where a specially crafted request could cause an authentication bypass.
CVE-2020-11989: Fix an encoding issue introduced in the handling of the previous CVE-2020-1957 path-traversal issue which itself could have also caused an authentication bypass.
For Debian 9 ‘Stretch’, these issues have been fixed in shiro version 1.3.2-1+deb9u1.
We recommend that you upgrade your shiro packages.
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-2273-1. The text
# itself is copyright (C) Software in the Public Interest, Inc.
#
include("compat.inc");
if (description)
{
script_id(138224);
script_version("1.4");
script_set_attribute(attribute:"plugin_modification_date", value:"2022/10/14");
script_cve_id("CVE-2020-11989", "CVE-2020-1957");
script_name(english:"Debian DLA-2273-1 : shiro security update");
script_summary(english:"Checks dpkg output for the updated package.");
script_set_attribute(
attribute:"synopsis",
value:"The remote Debian host is missing a security update."
);
script_set_attribute(
attribute:"description",
value:
"It was discovered that there was two issues in shiro, a security
framework for Java application :
- CVE-2020-1957: Fix a path-traversal issue where a
specially crafted request could cause an authentication
bypass.
- CVE-2020-11989: Fix an encoding issue introduced in the
handling of the previous CVE-2020-1957 path-traversal
issue which itself could have also caused an
authentication bypass.
For Debian 9 'Stretch', these issues have been fixed in shiro version
1.3.2-1+deb9u1.
We recommend that you upgrade your shiro packages.
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/2020/07/msg00004.html"
);
script_set_attribute(
attribute:"see_also",
value:"https://packages.debian.org/source/stretch/shiro"
);
script_set_attribute(
attribute:"solution",
value:"Upgrade the affected libshiro-java package."
);
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-2020-1957");
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:libshiro-java");
script_set_attribute(attribute:"cpe", value:"cpe:/o:debian:debian_linux:9.0");
script_set_attribute(attribute:"vuln_publication_date", value:"2020/03/25");
script_set_attribute(attribute:"patch_publication_date", value:"2020/07/08");
script_set_attribute(attribute:"plugin_publication_date", value:"2020/07/09");
script_set_attribute(attribute:"generated_plugin", value:"current");
script_end_attributes();
script_category(ACT_GATHER_INFO);
script_copyright(english:"This script is Copyright (C) 2020-2022 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:"libshiro-java", reference:"1.3.2-1+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");
Vendor | Product | Version | CPE |
---|---|---|---|
debian | debian_linux | 9.0 | cpe:/o:debian:debian_linux:9.0 |
debian | debian_linux | libshiro-java | p-cpe:/a:debian:debian_linux:libshiro-java |
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
0.016 Low
EPSS
Percentile
87.3%