Vulnerabilities > CVE-2019-12921 - Command Injection vulnerability in multiple products

047910
CVSS 6.5 - MEDIUM
Attack vector
NETWORK
Attack complexity
LOW
Privileges required
NONE
Confidentiality impact
HIGH
Integrity impact
NONE
Availability impact
NONE
network
low complexity
graphicsmagick
debian
opensuse
CWE-77
nessus

Summary

In GraphicsMagick before 1.3.32, the text filename component allows remote attackers to read arbitrary files via a crafted image because of TranslateTextEx for SVG.

Vulnerable Configurations

Part Description Count
Application
Graphicsmagick
65
Application
Opensuse
1
OS
Debian
3
OS
Opensuse
1

Common Attack Pattern Enumeration and Classification (CAPEC)

  • Cause Web Server Misclassification
    An attack of this type exploits a Web server's decision to take action based on filename or file extension. Because different file types are handled by different server processes, misclassification may force the Web server to take unexpected action, or expected actions in an unexpected sequence. This may cause the server to exhaust resources, supply debug or system data to the attacker, or bind an attacker to a remote process. This type of vulnerability has been found in many widely used servers including IIS, Lotus Domino, and Orion. The attacker's job in this case is straightforward, standard communication protocols and methods are used and are generally appended with malicious information at the tail end of an otherwise legitimate request. The attack payload varies, but it could be special characters like a period or simply appending a tag that has a special meaning for operations on the server side like .jsp for a java application server. The essence of this attack is that the attacker deceives the server into executing functionality based on the name of the request, i.e. login.jsp, not the contents.
  • LDAP Injection
    An attacker manipulates or crafts an LDAP query for the purpose of undermining the security of the target. Some applications use user input to create LDAP queries that are processed by an LDAP server. For example, a user might provide their username during authentication and the username might be inserted in an LDAP query during the authentication process. An attacker could use this input to inject additional commands into an LDAP query that could disclose sensitive information. For example, entering a * in the aforementioned query might return information about all users on the system. This attack is very similar to an SQL injection attack in that it manipulates a query to gather additional information or coerce a particular return value.
  • Command Delimiters
    An attack of this type exploits a programs' vulnerabilities that allows an attacker's commands to be concatenated onto a legitimate command with the intent of targeting other resources such as the file system or database. The system that uses a filter or a blacklist input validation, as opposed to whitelist validation is vulnerable to an attacker who predicts delimiters (or combinations of delimiters) not present in the filter or blacklist. As with other injection attacks, the attacker uses the command delimiter payload as an entry point to tunnel through the application and activate additional attacks through SQL queries, shell commands, network scanning, and so on.
  • File System Function Injection, Content Based
    An attack of this type exploits the host's trust in executing remote content including binary files. The files are poisoned with a malicious payload (targeting the file systems accessible by the target software) by the attacker and may be passed through standard channels such as via email, and standard web content like PDF and multimedia files. The attacker exploits known vulnerabilities or handling routines in the target processes. Vulnerabilities of this type have been found in a wide variety of commercial applications from Microsoft Office to Adobe Acrobat and Apple Safari web browser. When the attacker knows the standard handling routines and can identify vulnerabilities and entry points they can be exploited by otherwise seemingly normal content. Once the attack is executed, the attackers' program can access relative directories such as C:\Program Files or other standard system directories to launch further attacks. In a worst case scenario, these programs are combined with other propagation logic and work as a virus.
  • Exploiting Multiple Input Interpretation Layers
    An attacker supplies the target software with input data that contains sequences of special characters designed to bypass input validation logic. This exploit relies on the target making multiples passes over the input data and processing a "layer" of special characters with each pass. In this manner, the attacker can disguise input that would otherwise be rejected as invalid by concealing it with layers of special/escape characters that are stripped off by subsequent processing steps. The goal is to first discover cases where the input validation layer executes before one or more parsing layers. That is, user input may go through the following logic in an application: In such cases, the attacker will need to provide input that will pass through the input validator, but after passing through parser2, will be converted into something that the input validator was supposed to stop.

Nessus

  • NASL familySuSE Local Security Checks
    NASL idOPENSUSE-2020-416.NASL
    descriptionThis update for GraphicsMagick fixes the following issues : - CVE-2019-12921: Fixed an issue where text filename components potentially coulf have allowed reading of arbitrary files via TranslateTextEx (boo#1167208). - CVE-2020-10938: Fixed an integer overflow and resultant heap-based buffer overflow in HuffmanDecodeImages (boo#1167623).
    last seen2020-04-04
    modified2020-03-31
    plugin id135022
    published2020-03-31
    reporterThis script is Copyright (C) 2020 and is owned by Tenable, Inc. or an Affiliate thereof.
    sourcehttps://www.tenable.com/plugins/nessus/135022
    titleopenSUSE Security Update : GraphicsMagick (openSUSE-2020-416)
    code
    #
    # (C) Tenable Network Security, Inc.
    #
    # The descriptive text and package checks in this plugin were
    # extracted from openSUSE Security Update openSUSE-2020-416.
    #
    # The text description of this plugin is (C) SUSE LLC.
    #
    
    include("compat.inc");
    
    if (description)
    {
      script_id(135022);
      script_version("1.2");
      script_set_attribute(attribute:"plugin_modification_date", value:"2020/04/02");
    
      script_cve_id("CVE-2019-12921", "CVE-2020-10938");
    
      script_name(english:"openSUSE Security Update : GraphicsMagick (openSUSE-2020-416)");
      script_summary(english:"Check for the openSUSE-2020-416 patch");
    
      script_set_attribute(
        attribute:"synopsis", 
        value:"The remote openSUSE host is missing a security update."
      );
      script_set_attribute(
        attribute:"description", 
        value:
    "This update for GraphicsMagick fixes the following issues :
    
      - CVE-2019-12921: Fixed an issue where text filename
        components potentially coulf have allowed reading of
        arbitrary files via TranslateTextEx (boo#1167208).
    
      - CVE-2020-10938: Fixed an integer overflow and resultant
        heap-based buffer overflow in HuffmanDecodeImages
        (boo#1167623)."
      );
      script_set_attribute(
        attribute:"see_also",
        value:"https://bugzilla.opensuse.org/show_bug.cgi?id=1167208"
      );
      script_set_attribute(
        attribute:"see_also",
        value:"https://bugzilla.opensuse.org/show_bug.cgi?id=1167623"
      );
      script_set_attribute(
        attribute:"solution", 
        value:"Update the affected GraphicsMagick 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:"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:novell:opensuse:GraphicsMagick");
      script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:opensuse:GraphicsMagick-debuginfo");
      script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:opensuse:GraphicsMagick-debugsource");
      script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:opensuse:GraphicsMagick-devel");
      script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:opensuse:libGraphicsMagick++-Q16-12");
      script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:opensuse:libGraphicsMagick++-Q16-12-debuginfo");
      script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:opensuse:libGraphicsMagick++-devel");
      script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:opensuse:libGraphicsMagick-Q16-3");
      script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:opensuse:libGraphicsMagick-Q16-3-debuginfo");
      script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:opensuse:libGraphicsMagick3-config");
      script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:opensuse:libGraphicsMagickWand-Q16-2");
      script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:opensuse:libGraphicsMagickWand-Q16-2-debuginfo");
      script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:opensuse:perl-GraphicsMagick");
      script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:opensuse:perl-GraphicsMagick-debuginfo");
      script_set_attribute(attribute:"cpe", value:"cpe:/o:novell:opensuse:15.1");
    
      script_set_attribute(attribute:"vuln_publication_date", value:"2020/03/18");
      script_set_attribute(attribute:"patch_publication_date", value:"2020/03/30");
      script_set_attribute(attribute:"plugin_publication_date", value:"2020/03/31");
      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:"SuSE Local Security Checks");
    
      script_dependencies("ssh_get_info.nasl");
      script_require_keys("Host/local_checks_enabled", "Host/SuSE/release", "Host/SuSE/rpm-list", "Host/cpu");
    
      exit(0);
    }
    
    
    include("audit.inc");
    include("global_settings.inc");
    include("rpm.inc");
    
    if (!get_kb_item("Host/local_checks_enabled")) audit(AUDIT_LOCAL_CHECKS_NOT_ENABLED);
    release = get_kb_item("Host/SuSE/release");
    if (isnull(release) || release =~ "^(SLED|SLES)") audit(AUDIT_OS_NOT, "openSUSE");
    if (release !~ "^(SUSE15\.1)$") audit(AUDIT_OS_RELEASE_NOT, "openSUSE", "15.1", release);
    if (!get_kb_item("Host/SuSE/rpm-list")) audit(AUDIT_PACKAGE_LIST_MISSING);
    
    ourarch = get_kb_item("Host/cpu");
    if (!ourarch) audit(AUDIT_UNKNOWN_ARCH);
    if (ourarch !~ "^(x86_64)$") audit(AUDIT_ARCH_NOT, "x86_64", ourarch);
    
    flag = 0;
    
    if ( rpm_check(release:"SUSE15.1", reference:"GraphicsMagick-1.3.29-lp151.4.17.1") ) flag++;
    if ( rpm_check(release:"SUSE15.1", reference:"GraphicsMagick-debuginfo-1.3.29-lp151.4.17.1") ) flag++;
    if ( rpm_check(release:"SUSE15.1", reference:"GraphicsMagick-debugsource-1.3.29-lp151.4.17.1") ) flag++;
    if ( rpm_check(release:"SUSE15.1", reference:"GraphicsMagick-devel-1.3.29-lp151.4.17.1") ) flag++;
    if ( rpm_check(release:"SUSE15.1", reference:"libGraphicsMagick++-Q16-12-1.3.29-lp151.4.17.1") ) flag++;
    if ( rpm_check(release:"SUSE15.1", reference:"libGraphicsMagick++-Q16-12-debuginfo-1.3.29-lp151.4.17.1") ) flag++;
    if ( rpm_check(release:"SUSE15.1", reference:"libGraphicsMagick++-devel-1.3.29-lp151.4.17.1") ) flag++;
    if ( rpm_check(release:"SUSE15.1", reference:"libGraphicsMagick-Q16-3-1.3.29-lp151.4.17.1") ) flag++;
    if ( rpm_check(release:"SUSE15.1", reference:"libGraphicsMagick-Q16-3-debuginfo-1.3.29-lp151.4.17.1") ) flag++;
    if ( rpm_check(release:"SUSE15.1", reference:"libGraphicsMagick3-config-1.3.29-lp151.4.17.1") ) flag++;
    if ( rpm_check(release:"SUSE15.1", reference:"libGraphicsMagickWand-Q16-2-1.3.29-lp151.4.17.1") ) flag++;
    if ( rpm_check(release:"SUSE15.1", reference:"libGraphicsMagickWand-Q16-2-debuginfo-1.3.29-lp151.4.17.1") ) flag++;
    if ( rpm_check(release:"SUSE15.1", reference:"perl-GraphicsMagick-1.3.29-lp151.4.17.1") ) flag++;
    if ( rpm_check(release:"SUSE15.1", reference:"perl-GraphicsMagick-debuginfo-1.3.29-lp151.4.17.1") ) flag++;
    
    if (flag)
    {
      if (report_verbosity > 0) security_hole(port:0, extra:rpm_report_get());
      else security_hole(0);
      exit(0);
    }
    else
    {
      tested = pkg_tests_get();
      if (tested) audit(AUDIT_PACKAGE_NOT_AFFECTED, tested);
      else audit(AUDIT_PACKAGE_NOT_INSTALLED, "GraphicsMagick / GraphicsMagick-debuginfo / etc");
    }
    
  • NASL familyDebian Local Security Checks
    NASL idDEBIAN_DSA-4675.NASL
    descriptionSeveral vulnerabilities have been discovered in GraphicsMagick, a set of command-line applications to manipulate image files, which could result in information disclosure, denial of service or the execution of arbitrary code if malformed image files are processed.
    last seen2020-05-12
    modified2020-05-07
    plugin id136371
    published2020-05-07
    reporterThis script is Copyright (C) 2020 and is owned by Tenable, Inc. or an Affiliate thereof.
    sourcehttps://www.tenable.com/plugins/nessus/136371
    titleDebian DSA-4675-1 : graphicsmagick - security update
    code
    #
    # (C) Tenable Network Security, Inc.
    #
    # The descriptive text and package checks in this plugin were  
    # extracted from Debian Security Advisory DSA-4675. The text 
    # itself is copyright (C) Software in the Public Interest, Inc.
    #
    
    include("compat.inc");
    
    if (description)
    {
      script_id(136371);
      script_version("1.2");
      script_set_attribute(attribute:"plugin_modification_date", value:"2020/05/11");
    
      script_cve_id("CVE-2019-12921", "CVE-2020-10938");
      script_xref(name:"DSA", value:"4675");
    
      script_name(english:"Debian DSA-4675-1 : graphicsmagick - 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-related update."
      );
      script_set_attribute(
        attribute:"description", 
        value:
    "Several vulnerabilities have been discovered in GraphicsMagick, a set
    of command-line applications to manipulate image files, which could
    result in information disclosure, denial of service or the execution
    of arbitrary code if malformed image files are processed."
      );
      # https://security-tracker.debian.org/tracker/source-package/graphicsmagick
      script_set_attribute(
        attribute:"see_also",
        value:"http://www.nessus.org/u?e247f871"
      );
      script_set_attribute(
        attribute:"see_also",
        value:"https://packages.debian.org/source/stretch/graphicsmagick"
      );
      script_set_attribute(
        attribute:"see_also",
        value:"https://packages.debian.org/source/buster/graphicsmagick"
      );
      script_set_attribute(
        attribute:"see_also",
        value:"https://www.debian.org/security/2020/dsa-4675"
      );
      script_set_attribute(
        attribute:"solution", 
        value:
    "Upgrade the graphicsmagick packages.
    
    For the oldstable distribution (stretch), these problems have been
    fixed in version 1.3.30+hg15796-1~deb9u4.
    
    For the stable distribution (buster), these problems have been fixed
    in version 1.4+really1.3.35-1~deb10u1."
      );
      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:"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:debian:debian_linux:graphicsmagick");
      script_set_attribute(attribute:"cpe", value:"cpe:/o:debian:debian_linux:10.0");
      script_set_attribute(attribute:"cpe", value:"cpe:/o:debian:debian_linux:9.0");
    
      script_set_attribute(attribute:"vuln_publication_date", value:"2020/03/18");
      script_set_attribute(attribute:"patch_publication_date", value:"2020/05/05");
      script_set_attribute(attribute:"plugin_publication_date", value:"2020/05/07");
      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:"10.0", prefix:"graphicsmagick", reference:"1.4+really1.3.35-1~deb10u1")) flag++;
    if (deb_check(release:"10.0", prefix:"graphicsmagick-dbg", reference:"1.4+really1.3.35-1~deb10u1")) flag++;
    if (deb_check(release:"10.0", prefix:"graphicsmagick-imagemagick-compat", reference:"1.4+really1.3.35-1~deb10u1")) flag++;
    if (deb_check(release:"10.0", prefix:"graphicsmagick-libmagick-dev-compat", reference:"1.4+really1.3.35-1~deb10u1")) flag++;
    if (deb_check(release:"10.0", prefix:"libgraphics-magick-perl", reference:"1.4+really1.3.35-1~deb10u1")) flag++;
    if (deb_check(release:"10.0", prefix:"libgraphicsmagick++-q16-12", reference:"1.4+really1.3.35-1~deb10u1")) flag++;
    if (deb_check(release:"10.0", prefix:"libgraphicsmagick++1-dev", reference:"1.4+really1.3.35-1~deb10u1")) flag++;
    if (deb_check(release:"10.0", prefix:"libgraphicsmagick-q16-3", reference:"1.4+really1.3.35-1~deb10u1")) flag++;
    if (deb_check(release:"10.0", prefix:"libgraphicsmagick1-dev", reference:"1.4+really1.3.35-1~deb10u1")) flag++;
    if (deb_check(release:"9.0", prefix:"graphicsmagick", reference:"1.3.30+hg15796-1~deb9u4")) flag++;
    if (deb_check(release:"9.0", prefix:"graphicsmagick-dbg", reference:"1.3.30+hg15796-1~deb9u4")) flag++;
    if (deb_check(release:"9.0", prefix:"graphicsmagick-imagemagick-compat", reference:"1.3.30+hg15796-1~deb9u4")) flag++;
    if (deb_check(release:"9.0", prefix:"graphicsmagick-libmagick-dev-compat", reference:"1.3.30+hg15796-1~deb9u4")) flag++;
    if (deb_check(release:"9.0", prefix:"libgraphics-magick-perl", reference:"1.3.30+hg15796-1~deb9u4")) flag++;
    if (deb_check(release:"9.0", prefix:"libgraphicsmagick++-q16-12", reference:"1.3.30+hg15796-1~deb9u4")) flag++;
    if (deb_check(release:"9.0", prefix:"libgraphicsmagick++1-dev", reference:"1.3.30+hg15796-1~deb9u4")) flag++;
    if (deb_check(release:"9.0", prefix:"libgraphicsmagick-q16-3", reference:"1.3.30+hg15796-1~deb9u4")) flag++;
    if (deb_check(release:"9.0", prefix:"libgraphicsmagick1-dev", reference:"1.3.30+hg15796-1~deb9u4")) 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");
    
  • NASL familyDebian Local Security Checks
    NASL idDEBIAN_DLA-2152.NASL
    descriptionA vulnerability was discovered in graphicsmagick, a collection of image processing tools, that allows allows an attacker to read arbitrary files via a crafted image because of TranslateTextEx for SVG. For Debian 8
    last seen2020-03-26
    modified2020-03-23
    plugin id134769
    published2020-03-23
    reporterThis script is Copyright (C) 2020 and is owned by Tenable, Inc. or an Affiliate thereof.
    sourcehttps://www.tenable.com/plugins/nessus/134769
    titleDebian DLA-2152-1 : graphicsmagick security update