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Linux Distros Unpatched Vulnerability : CVE-2010-4756

🗓️ 24 Aug 2025 00:00:00Reported by TenableType 
nessus
 nessus🔗 www.tenable.com👁 3 Views

Unpatched glibc glob may cause denial of service via crafted patterns in FTP commands.

Related
Refs
Code
ReporterTitlePublishedViews
Family
IBM Security Bulletins		Security Bulletin: IBM Cognos Analytics has addressed multiple vulnerabilities
27 Jun 202422:37
–ibm
IBM Security Bulletins		Security Bulletin: Astronomer with IBM is vulnerable to several vulnerabilities
4 Sep 202522:39
–ibm
IBM Security Bulletins		Security Bulletin: Astronomer with IBM is vulnerable to several issues due to open source packages
19 Nov 202514:30
–ibm
Information Security Automation		Scanvus now supports Vulners and Vulns.io VM Linux vulnerability detection APIs
30 Dec 202218:03
–avleonov
CBLMariner		CVE-2010-4756 affecting package glibc 2.28-24
12 Jan 202509:15
–cbl_mariner
CBLMariner		CVE-2010-4756 affecting package glibc 2.35-10
12 Jan 202509:15
–cbl_mariner
CVE		CVE-2010-4756
2 Mar 201119:00
–cve
Cvelist		CVE-2010-4756
2 Mar 201119:00
–cvelist
Debian CVE		CVE-2010-4756
2 Mar 201119:00
–debiancve
EUVD		EUVD-2010-4721
7 Oct 202500:30
–euvd
Rows per page
#%NASL_MIN_LEVEL 80900
##
# (C) Tenable, Inc.
##

include('compat.inc');

if (description)
{
  script_id(253837);
  script_version("1.3");
  script_set_attribute(attribute:"plugin_modification_date", value:"2026/04/28");

  script_cve_id("CVE-2010-4756");

  script_name(english:"Linux Distros Unpatched Vulnerability : CVE-2010-4756");

  script_set_attribute(attribute:"synopsis", value:
"The Linux/Unix host has one or more packages installed with a vulnerability that the vendor indicates will not be
patched.");
  script_set_attribute(attribute:"description", value:
"The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied
patch available.

  - The glob implementation in the GNU C Library (aka glibc or libc6) allows remote authenticated users to
    cause a denial of service (CPU and memory consumption) via crafted glob expressions that do not match any
    pathnames, as demonstrated by glob expressions in STAT commands to an FTP daemon, a different
    vulnerability than CVE-2010-2632. (CVE-2010-4756)

Note that Nessus relies on the presence of the package as reported by the vendor.");
  script_set_attribute(attribute:"see_also", value:"https://security-tracker.debian.org/tracker/CVE-2010-4756");
  script_set_attribute(attribute:"solution", value:
"There is no known solution at this time.");
  script_set_attribute(attribute:"agent", value:"unix");
  script_set_cvss_base_vector("CVSS2#AV:N/AC:L/Au:S/C:N/I:N/A:P");
  script_set_cvss_temporal_vector("CVSS2#E:POC/RL:U/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:P/RL:U/RC:C");
  script_set_attribute(attribute:"cvss_score_source", value:"CVE-2010-4756");

  script_set_attribute(attribute:"exploitability_ease", value:"Exploits are available");
  script_set_attribute(attribute:"exploit_available", value:"true");
  script_set_attribute(attribute:"vendor_unpatched", value:"true");

  script_set_attribute(attribute:"vuln_publication_date", value:"2011/03/02");
  script_set_attribute(attribute:"plugin_publication_date", value:"2025/08/24");

  script_set_attribute(attribute:"plugin_type", value:"local");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:debian:debian_linux:11.0");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:debian:debian_linux:12.0");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:debian:debian_linux:13.0");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:debian:debian_linux:14.0");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:debian:debian_linux:glibc");
  script_set_attribute(attribute:"generated_plugin", value:"current");
  script_end_attributes();

  script_category(ACT_GATHER_INFO);
  script_family(english:"Misc.");

  script_copyright(english:"This script is Copyright (C) 2025-2026 and is owned by Tenable, Inc. or an Affiliate thereof.");

  script_dependencies("ssh_get_info2.nasl", "set_linux_os_id.nasl");
  script_require_keys("Host/cpu", "Host/local_checks_enabled", "global_settings/vendor_unpatched", "Host/OS/identifier");
  script_require_ports("Host/OS/Debian Linux-11", "Host/OS/Debian Linux-12", "Host/OS/Debian Linux-13", "Host/OS/Debian Linux-14");

  exit(0);
}

if (!get_kb_item("global_settings/vendor_unpatched")) exit(0, "Unpatched Vulnerabilities Detection not active.");
if (!get_kb_item("Host/local_checks_enabled")) audit(AUDIT_LOCAL_CHECKS_NOT_ENABLED);
if (empty_or_null(get_one_kb_item("Host/Debian/dpkg-l"))) audit(AUDIT_PACKAGE_LIST_MISSING);

include('linux_unpatched.inc');

var distro_constraints_array = {
  "Debian Linux-12": {
    "package_manager": "dpkg-l",
    "constraints": [
      {
        "release": "12",
        "pkgs": [
          {"reference": "glibc-doc"},
          {"reference": "glibc-source"},
          {"reference": "libc-bin"},
          {"reference": "libc-dev-bin"},
          {"reference": "libc-devtools"},
          {"reference": "libc-l10n"},
          {"reference": "libc0.1"},
          {"reference": "libc0.1-dbg"},
          {"reference": "libc0.1-dev"},
          {"reference": "libc0.1-dev-i386"},
          {"reference": "libc0.1-i386"},
          {"reference": "libc0.1-udeb"},
          {"reference": "libc0.3"},
          {"reference": "libc0.3-dbg"},
          {"reference": "libc0.3-dev"},
          {"reference": "libc0.3-udeb"},
          {"reference": "libc6"},
          {"reference": "libc6-amd64"},
          {"reference": "libc6-dbg"},
          {"reference": "libc6-dev"},
          {"reference": "libc6-dev-amd64"},
          {"reference": "libc6-dev-i386"},
          {"reference": "libc6-dev-mips32"},
          {"reference": "libc6-dev-mips64"},
          {"reference": "libc6-dev-mipsn32"},
          {"reference": "libc6-dev-powerpc"},
          {"reference": "libc6-dev-ppc64"},
          {"reference": "libc6-dev-s390"},
          {"reference": "libc6-dev-sparc"},
          {"reference": "libc6-dev-sparc64"},
          {"reference": "libc6-dev-x32"},
          {"reference": "libc6-i386"},
          {"reference": "libc6-mips32"},
          {"reference": "libc6-mips64"},
          {"reference": "libc6-mipsn32"},
          {"reference": "libc6-powerpc"},
          {"reference": "libc6-ppc64"},
          {"reference": "libc6-s390"},
          {"reference": "libc6-sparc"},
          {"reference": "libc6-sparc64"},
          {"reference": "libc6-udeb"},
          {"reference": "libc6-x32"},
          {"reference": "libc6.1"},
          {"reference": "libc6.1-alphaev67"},
          {"reference": "libc6.1-dbg"},
          {"reference": "libc6.1-dev"},
          {"reference": "libc6.1-udeb"},
          {"reference": "locales"},
          {"reference": "locales-all"},
          {"reference": "nscd"}
        ]
      }
    ]
  },
  "Debian Linux-11": {
    "package_manager": "dpkg-l",
    "constraints": [
      {
        "release": "11",
        "pkgs": [
          {"reference": "glibc-doc"},
          {"reference": "glibc-source"},
          {"reference": "libc-bin"},
          {"reference": "libc-dev-bin"},
          {"reference": "libc-devtools"},
          {"reference": "libc-l10n"},
          {"reference": "libc0.1"},
          {"reference": "libc0.1-dbg"},
          {"reference": "libc0.1-dev"},
          {"reference": "libc0.1-dev-i386"},
          {"reference": "libc0.1-i386"},
          {"reference": "libc0.1-udeb"},
          {"reference": "libc0.3"},
          {"reference": "libc0.3-dbg"},
          {"reference": "libc0.3-dev"},
          {"reference": "libc0.3-udeb"},
          {"reference": "libc0.3-xen"},
          {"reference": "libc6"},
          {"reference": "libc6-amd64"},
          {"reference": "libc6-dbg"},
          {"reference": "libc6-dev"},
          {"reference": "libc6-dev-amd64"},
          {"reference": "libc6-dev-i386"},
          {"reference": "libc6-dev-mips32"},
          {"reference": "libc6-dev-mips64"},
          {"reference": "libc6-dev-mipsn32"},
          {"reference": "libc6-dev-powerpc"},
          {"reference": "libc6-dev-ppc64"},
          {"reference": "libc6-dev-s390"},
          {"reference": "libc6-dev-sparc"},
          {"reference": "libc6-dev-sparc64"},
          {"reference": "libc6-dev-x32"},
          {"reference": "libc6-i386"},
          {"reference": "libc6-mips32"},
          {"reference": "libc6-mips64"},
          {"reference": "libc6-mipsn32"},
          {"reference": "libc6-powerpc"},
          {"reference": "libc6-ppc64"},
          {"reference": "libc6-s390"},
          {"reference": "libc6-sparc"},
          {"reference": "libc6-sparc64"},
          {"reference": "libc6-udeb"},
          {"reference": "libc6-x32"},
          {"reference": "libc6-xen"},
          {"reference": "libc6.1"},
          {"reference": "libc6.1-alphaev67"},
          {"reference": "libc6.1-dbg"},
          {"reference": "libc6.1-dev"},
          {"reference": "libc6.1-udeb"},
          {"reference": "locales"},
          {"reference": "locales-all"},
          {"reference": "nscd"}
        ]
      }
    ]
  },
  "Debian Linux-14": {
    "package_manager": "dpkg-l",
    "constraints": [
      {
        "release": "14",
        "pkgs": [
          {"reference": "glibc-doc"},
          {"reference": "glibc-source"},
          {"reference": "libc-bin"},
          {"reference": "libc-dev-bin"},
          {"reference": "libc-devtools"},
          {"reference": "libc-gconv-modules-extra"},
          {"reference": "libc-l10n"},
          {"reference": "libc0.3"},
          {"reference": "libc0.3-dbg"},
          {"reference": "libc0.3-dev"},
          {"reference": "libc0.3-udeb"},
          {"reference": "libc6"},
          {"reference": "libc6-amd64"},
          {"reference": "libc6-dbg"},
          {"reference": "libc6-dev"},
          {"reference": "libc6-dev-amd64"},
          {"reference": "libc6-dev-i386"},
          {"reference": "libc6-dev-mips32"},
          {"reference": "libc6-dev-mips64"},
          {"reference": "libc6-dev-mipsn32"},
          {"reference": "libc6-dev-powerpc"},
          {"reference": "libc6-dev-ppc64"},
          {"reference": "libc6-dev-sparc"},
          {"reference": "libc6-dev-sparc64"},
          {"reference": "libc6-dev-x32"},
          {"reference": "libc6-i386"},
          {"reference": "libc6-mips32"},
          {"reference": "libc6-mips64"},
          {"reference": "libc6-mipsn32"},
          {"reference": "libc6-powerpc"},
          {"reference": "libc6-ppc64"},
          {"reference": "libc6-sparc"},
          {"reference": "libc6-sparc64"},
          {"reference": "libc6-udeb"},
          {"reference": "libc6-x32"},
          {"reference": "libc6.1"},
          {"reference": "libc6.1-dbg"},
          {"reference": "libc6.1-dev"},
          {"reference": "libc6.1-udeb"},
          {"reference": "locales"},
          {"reference": "locales-all"},
          {"reference": "nscd"}
        ]
      }
    ]
  },
  "Debian Linux-13": {
    "package_manager": "dpkg-l",
    "constraints": [
      {
        "release": "13",
        "pkgs": [
          {"reference": "glibc-doc"},
          {"reference": "glibc-source"},
          {"reference": "libc-bin"},
          {"reference": "libc-dev-bin"},
          {"reference": "libc-devtools"},
          {"reference": "libc-l10n"},
          {"reference": "libc0.3"},
          {"reference": "libc0.3-dbg"},
          {"reference": "libc0.3-dev"},
          {"reference": "libc0.3-udeb"},
          {"reference": "libc6"},
          {"reference": "libc6-amd64"},
          {"reference": "libc6-dbg"},
          {"reference": "libc6-dev"},
          {"reference": "libc6-dev-amd64"},
          {"reference": "libc6-dev-i386"},
          {"reference": "libc6-dev-mips32"},
          {"reference": "libc6-dev-mips64"},
          {"reference": "libc6-dev-mipsn32"},
          {"reference": "libc6-dev-powerpc"},
          {"reference": "libc6-dev-ppc64"},
          {"reference": "libc6-dev-s390"},
          {"reference": "libc6-dev-sparc"},
          {"reference": "libc6-dev-sparc64"},
          {"reference": "libc6-dev-x32"},
          {"reference": "libc6-i386"},
          {"reference": "libc6-mips32"},
          {"reference": "libc6-mips64"},
          {"reference": "libc6-mipsn32"},
          {"reference": "libc6-powerpc"},
          {"reference": "libc6-ppc64"},
          {"reference": "libc6-s390"},
          {"reference": "libc6-sparc"},
          {"reference": "libc6-sparc64"},
          {"reference": "libc6-udeb"},
          {"reference": "libc6-x32"},
          {"reference": "libc6.1"},
          {"reference": "libc6.1-dbg"},
          {"reference": "libc6.1-dev"},
          {"reference": "libc6.1-udeb"},
          {"reference": "locales"},
          {"reference": "locales-all"},
          {"reference": "nscd"}
        ]
      }
    ]
  }
};

var distro_constraints_values = linux_unpatched::get_distro_constraints(distro_constraints_arr:distro_constraints_array);
if (empty_or_null(distro_constraints_values)) audit(AUDIT_HOST_NOT, 'affected');
var report = linux_unpatched::check_unpatched_constraints(distro_constraints_values:distro_constraints_values);

if (!empty_or_null(report))
{
  security_report_v4(
      port       : 0,
      severity   : SECURITY_WARNING,
      extra      : report
  );
  exit(0);
}
else
{
  audit(AUDIT_HOST_NOT, 'affected');
}

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28 Apr 2026 00:00Current
7.6High risk
Vulners AI Score7.6
CVSS 24
EPSS0.00352
glibc glob flawdenial of servicefile transfer protocolauthenticated accessno vendor patch
3