Vulnerabilities > CVE-2020-12865 - Out-of-bounds Write vulnerability in multiple products
Attack vector
ADJACENT_NETWORK Attack complexity
LOW Privileges required
LOW Confidentiality impact
HIGH Integrity impact
HIGH Availability impact
HIGH Summary
A heap buffer overflow in SANE Backends before 1.0.30 may allow a malicious device connected to the same local network as the victim to execute arbitrary code, aka GHSL-2020-084.
Vulnerable Configurations
Common Weakness Enumeration (CWE)
Nessus
NASL family FreeBSD Local Security Checks NASL id FREEBSD_PKG_284813497E204F80AE1EE6BF48D4F17C.NASL description The Sane Project reports : epson2: fixes CVE-2020-12867 (GHSL-2020-075) and several memory management issues found while addressing that CVE epsonds: addresses out-of-bound memory access issues to fix CVE-2020-12862 (GHSL-2020-082) and CVE-2020-12863 (GHSL-2020-083), addresses a buffer overflow fixing CVE-2020-12865 (GHSL-2020-084) and disables network autodiscovery to mitigate CVE-2020-12866 (GHSL-2020-079), CVE-2020-12861 (GHSL-2020-080) and CVE-2020-12864 (GHSL-2020-081). Note that this backend does not support network scanners to begin with. magicolor: fixes a floating point exception and uninitialized data read fixes an overflow in sanei_tcp_read() last seen 2020-06-06 modified 2020-05-29 plugin id 136955 published 2020-05-29 reporter This script is Copyright (C) 2020 and is owned by Tenable, Inc. or an Affiliate thereof. source https://www.tenable.com/plugins/nessus/136955 title FreeBSD : Sane -- Multiple Vulnerabilities (28481349-7e20-4f80-ae1e-e6bf48d4f17c) code # # (C) Tenable Network Security, Inc. # # The descriptive text and package checks in this plugin were # extracted from the FreeBSD VuXML database : # # Copyright 2003-2020 Jacques Vidrine and contributors # # Redistribution and use in source (VuXML) and 'compiled' forms (SGML, # HTML, PDF, PostScript, RTF and so forth) with or without modification, # are permitted provided that the following conditions are met: # 1. Redistributions of source code (VuXML) must retain the above # copyright notice, this list of conditions and the following # disclaimer as the first lines of this file unmodified. # 2. Redistributions in compiled form (transformed to other DTDs, # published online in any format, converted to PDF, PostScript, # RTF and other formats) must reproduce the above copyright # notice, this list of conditions and the following disclaimer # in the documentation and/or other materials provided with the # distribution. # # THIS DOCUMENTATION IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS "AS IS" # AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, # THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR # PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS # BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, # OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT # OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR # BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, # WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE # OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS DOCUMENTATION, # EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. # include("compat.inc"); if (description) { script_id(136955); script_version("1.4"); script_set_attribute(attribute:"plugin_modification_date", value:"2020/07/10"); script_cve_id("CVE-2020-12861", "CVE-2020-12862", "CVE-2020-12863", "CVE-2020-12864", "CVE-2020-12865", "CVE-2020-12866", "CVE-2020-12867"); script_name(english:"FreeBSD : Sane -- Multiple Vulnerabilities (28481349-7e20-4f80-ae1e-e6bf48d4f17c)"); script_summary(english:"Checks for updated package in pkg_info output"); script_set_attribute( attribute:"synopsis", value:"The remote FreeBSD host is missing a security-related update." ); script_set_attribute( attribute:"description", value: "The Sane Project reports : epson2: fixes CVE-2020-12867 (GHSL-2020-075) and several memory management issues found while addressing that CVE epsonds: addresses out-of-bound memory access issues to fix CVE-2020-12862 (GHSL-2020-082) and CVE-2020-12863 (GHSL-2020-083), addresses a buffer overflow fixing CVE-2020-12865 (GHSL-2020-084) and disables network autodiscovery to mitigate CVE-2020-12866 (GHSL-2020-079), CVE-2020-12861 (GHSL-2020-080) and CVE-2020-12864 (GHSL-2020-081). Note that this backend does not support network scanners to begin with. magicolor: fixes a floating point exception and uninitialized data read fixes an overflow in sanei_tcp_read()" ); script_set_attribute( attribute:"see_also", value:"https://gitlab.com/sane-project/backends/-/releases/1.0.30" ); # https://vuxml.freebsd.org/freebsd/28481349-7e20-4f80-ae1e-e6bf48d4f17c.html script_set_attribute( attribute:"see_also", value:"http://www.nessus.org/u?1e0f7390" ); script_set_attribute(attribute:"solution", value:"Update the affected package."); script_set_cvss_base_vector("CVSS2#AV:A/AC:M/Au:N/C:C/I:C/A:C"); script_set_cvss_temporal_vector("CVSS2#E:U/RL:OF/RC:C"); script_set_cvss3_base_vector("CVSS:3.0/AV:A/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-2020-12861"); script_set_attribute(attribute:"exploitability_ease", value:"No known exploits are available"); script_set_attribute(attribute:"plugin_type", value:"local"); script_set_attribute(attribute:"cpe", value:"p-cpe:/a:freebsd:freebsd:sane-backends"); script_set_attribute(attribute:"cpe", value:"cpe:/o:freebsd:freebsd"); script_set_attribute(attribute:"vuln_publication_date", value:"2020/05/17"); script_set_attribute(attribute:"patch_publication_date", value:"2020/05/28"); script_set_attribute(attribute:"plugin_publication_date", value:"2020/05/29"); 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:"FreeBSD Local Security Checks"); script_dependencies("ssh_get_info.nasl"); script_require_keys("Host/local_checks_enabled", "Host/FreeBSD/release", "Host/FreeBSD/pkg_info"); exit(0); } include("audit.inc"); include("freebsd_package.inc"); if (!get_kb_item("Host/local_checks_enabled")) audit(AUDIT_LOCAL_CHECKS_NOT_ENABLED); if (!get_kb_item("Host/FreeBSD/release")) audit(AUDIT_OS_NOT, "FreeBSD"); if (!get_kb_item("Host/FreeBSD/pkg_info")) audit(AUDIT_PACKAGE_LIST_MISSING); flag = 0; if (pkg_test(save_report:TRUE, pkg:"sane-backends<1.0.30")) flag++; if (flag) { if (report_verbosity > 0) security_hole(port:0, extra:pkg_report_get()); else security_hole(0); exit(0); } else audit(AUDIT_HOST_NOT, "affected");
NASL family Slackware Local Security Checks NASL id SLACKWARE_SSA_2020-139-01.NASL description New sane packages are available for Slackware 14.0, 14.1, 14.2, and -current to fix security issues. last seen 2020-06-06 modified 2020-05-19 plugin id 136707 published 2020-05-19 reporter This script is Copyright (C) 2020 and is owned by Tenable, Inc. or an Affiliate thereof. source https://www.tenable.com/plugins/nessus/136707 title Slackware 14.0 / 14.1 / 14.2 / current : sane (SSA:2020-139-01) code # # (C) Tenable Network Security, Inc. # # The descriptive text and package checks in this plugin were # extracted from Slackware Security Advisory 2020-139-01. The text # itself is copyright (C) Slackware Linux, Inc. # include("compat.inc"); if (description) { script_id(136707); script_version("1.4"); script_set_attribute(attribute:"plugin_modification_date", value:"2020/07/10"); script_cve_id("CVE-2020-12861", "CVE-2020-12862", "CVE-2020-12863", "CVE-2020-12864", "CVE-2020-12865", "CVE-2020-12866", "CVE-2020-12867"); script_xref(name:"SSA", value:"2020-139-01"); script_name(english:"Slackware 14.0 / 14.1 / 14.2 / current : sane (SSA:2020-139-01)"); script_summary(english:"Checks for updated package in /var/log/packages"); script_set_attribute( attribute:"synopsis", value:"The remote Slackware host is missing a security update." ); script_set_attribute( attribute:"description", value: "New sane packages are available for Slackware 14.0, 14.1, 14.2, and -current to fix security issues." ); # http://www.slackware.com/security/viewer.php?l=slackware-security&y=2020&m=slackware-security.442630 script_set_attribute( attribute:"see_also", value:"http://www.nessus.org/u?22c1c8a9" ); script_set_attribute(attribute:"solution", value:"Update the affected sane package."); script_set_cvss_base_vector("CVSS2#AV:A/AC:M/Au:N/C:C/I:C/A:C"); script_set_cvss_temporal_vector("CVSS2#E:U/RL:OF/RC:C"); script_set_cvss3_base_vector("CVSS:3.0/AV:A/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-2020-12861"); script_set_attribute(attribute:"exploitability_ease", value:"No known exploits are available"); script_set_attribute(attribute:"plugin_type", value:"local"); script_set_attribute(attribute:"cpe", value:"p-cpe:/a:slackware:slackware_linux:sane"); script_set_attribute(attribute:"cpe", value:"cpe:/o:slackware:slackware_linux"); script_set_attribute(attribute:"cpe", value:"cpe:/o:slackware:slackware_linux:14.0"); script_set_attribute(attribute:"cpe", value:"cpe:/o:slackware:slackware_linux:14.1"); script_set_attribute(attribute:"cpe", value:"cpe:/o:slackware:slackware_linux:14.2"); script_set_attribute(attribute:"vuln_publication_date", value:"2020/06/01"); script_set_attribute(attribute:"patch_publication_date", value:"2020/05/18"); script_set_attribute(attribute:"plugin_publication_date", value:"2020/05/19"); 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:"Slackware Local Security Checks"); script_dependencies("ssh_get_info.nasl"); script_require_keys("Host/local_checks_enabled", "Host/Slackware/release", "Host/Slackware/packages"); exit(0); } include("audit.inc"); include("global_settings.inc"); include("slackware.inc"); if (!get_kb_item("Host/local_checks_enabled")) audit(AUDIT_LOCAL_CHECKS_NOT_ENABLED); if (!get_kb_item("Host/Slackware/release")) audit(AUDIT_OS_NOT, "Slackware"); if (!get_kb_item("Host/Slackware/packages")) audit(AUDIT_PACKAGE_LIST_MISSING); cpu = get_kb_item("Host/cpu"); if (isnull(cpu)) audit(AUDIT_UNKNOWN_ARCH); if ("x86_64" >!< cpu && cpu !~ "^i[3-6]86$") audit(AUDIT_LOCAL_CHECKS_NOT_IMPLEMENTED, "Slackware", cpu); flag = 0; if (slackware_check(osver:"14.0", pkgname:"sane", pkgver:"1.0.30", pkgarch:"i486", pkgnum:"1_slack14.0")) flag++; if (slackware_check(osver:"14.0", arch:"x86_64", pkgname:"sane", pkgver:"1.0.30", pkgarch:"x86_64", pkgnum:"1_slack14.0")) flag++; if (slackware_check(osver:"14.1", pkgname:"sane", pkgver:"1.0.30", pkgarch:"i486", pkgnum:"1_slack14.1")) flag++; if (slackware_check(osver:"14.1", arch:"x86_64", pkgname:"sane", pkgver:"1.0.30", pkgarch:"x86_64", pkgnum:"1_slack14.1")) flag++; if (slackware_check(osver:"14.2", pkgname:"sane", pkgver:"1.0.30", pkgarch:"i586", pkgnum:"1_slack14.2")) flag++; if (slackware_check(osver:"14.2", arch:"x86_64", pkgname:"sane", pkgver:"1.0.30", pkgarch:"x86_64", pkgnum:"1_slack14.2")) flag++; if (slackware_check(osver:"current", pkgname:"sane", pkgver:"1.0.30", pkgarch:"i586", pkgnum:"1")) flag++; if (slackware_check(osver:"current", arch:"x86_64", pkgname:"sane", pkgver:"1.0.30", pkgarch:"x86_64", pkgnum:"1")) flag++; if (flag) { if (report_verbosity > 0) security_hole(port:0, extra:slackware_report_get()); else security_hole(0); exit(0); } else audit(AUDIT_HOST_NOT, "affected");
References
- https://securitylab.github.com/advisories/GHSL-2020-075-libsane
- https://alioth-lists.debian.net/pipermail/sane-announce/2020/000041.html
- https://lists.debian.org/debian-lts-announce/2020/08/msg00029.html
- https://usn.ubuntu.com/4470-1/
- https://lists.debian.org/debian-lts-announce/2020/10/msg00010.html
- http://lists.opensuse.org/opensuse-security-announce/2020-11/msg00003.html
- http://lists.opensuse.org/opensuse-security-announce/2020-10/msg00079.html