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RedHat Security Advisory RHSA-2009:1209

🗓️ 17 Aug 2009 00:00:00Reported by Copyright (C) 2009 E-Soft Inc.Type 
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The cURL tool in RedHat Security Advisory RHSA-2009:1209 is affected by the null prefix attack due to incorrect handling of NULL characters in X.509 certificates, allowing for potential man-in-the-middle attacks

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# SPDX-FileCopyrightText: 2009 E-Soft Inc.
# Some text descriptions might be excerpted from (a) referenced
# source(s), and are Copyright (C) by the respective right holder(s).
#
# SPDX-License-Identifier: GPL-2.0-only OR GPL-3.0-only

if(description)
{
  script_oid("1.3.6.1.4.1.25623.1.0.64598");
  script_version("2024-03-21T05:06:54+0000");
  script_tag(name:"last_modification", value:"2024-03-21 05:06:54 +0000 (Thu, 21 Mar 2024)");
  script_tag(name:"creation_date", value:"2009-08-17 16:54:45 +0200 (Mon, 17 Aug 2009)");
  script_cve_id("CVE-2009-2417");
  script_tag(name:"cvss_base", value:"7.5");
  script_tag(name:"cvss_base_vector", value:"AV:N/AC:L/Au:N/C:P/I:P/A:P");
  script_name("RedHat Security Advisory RHSA-2009:1209");
  script_category(ACT_GATHER_INFO);
  script_copyright("Copyright (C) 2009 E-Soft Inc.");
  script_family("Red Hat Local Security Checks");
  script_dependencies("gather-package-list.nasl");
  script_mandatory_keys("ssh/login/rhel", "ssh/login/rpms", re:"ssh/login/release=RHENT_(3|4|5)");
  script_tag(name:"solution", value:"Please note that this update is available via
Red Hat Network.  To use Red Hat Network, launch the Red
Hat Update Agent with the following command: up2date");
  script_tag(name:"summary", value:"The remote host is missing updates announced in
advisory RHSA-2009:1209.

cURL is a tool for getting files from FTP, HTTP, Gopher, Telnet, and Dict
servers, using any of the supported protocols. cURL is designed to work
without user interaction or any kind of interactivity.

Scott Cantor reported that cURL is affected by the previously published
null prefix attack, caused by incorrect handling of NULL characters in
X.509 certificates. If an attacker is able to get a carefully-crafted
certificate signed by a trusted Certificate Authority, the attacker could
use the certificate during a man-in-the-middle attack and potentially
confuse cURL into accepting it by mistake. (CVE-2009-2417)

cURL users should upgrade to these updated packages, which contain a
backported patch to correct these issues. All running applications using
libcurl must be restarted for the update to take effect.");
  script_tag(name:"qod_type", value:"package");
  script_tag(name:"solution_type", value:"VendorFix");
  script_xref(name:"URL", value:"http://rhn.redhat.com/errata/RHSA-2009-1209.html");
  script_xref(name:"URL", value:"http://www.redhat.com/security/updates/classification/#moderate");

  exit(0);
}

include("revisions-lib.inc");
include("pkg-lib-rpm.inc");

res = "";
report = "";
if ((res = isrpmvuln(pkg:"curl", rpm:"curl~7.10.6~10.rhel3", rls:"RHENT_3")) != NULL) {
    report += res;
}
if ((res = isrpmvuln(pkg:"curl-debuginfo", rpm:"curl-debuginfo~7.10.6~10.rhel3", rls:"RHENT_3")) != NULL) {
    report += res;
}
if ((res = isrpmvuln(pkg:"curl-devel", rpm:"curl-devel~7.10.6~10.rhel3", rls:"RHENT_3")) != NULL) {
    report += res;
}
if ((res = isrpmvuln(pkg:"curl", rpm:"curl~7.12.1~11.1.el4_8.1", rls:"RHENT_4")) != NULL) {
    report += res;
}
if ((res = isrpmvuln(pkg:"curl-debuginfo", rpm:"curl-debuginfo~7.12.1~11.1.el4_8.1", rls:"RHENT_4")) != NULL) {
    report += res;
}
if ((res = isrpmvuln(pkg:"curl-devel", rpm:"curl-devel~7.12.1~11.1.el4_8.1", rls:"RHENT_4")) != NULL) {
    report += res;
}
if ((res = isrpmvuln(pkg:"curl", rpm:"curl~7.15.5~2.1.el5_3.5", rls:"RHENT_5")) != NULL) {
    report += res;
}
if ((res = isrpmvuln(pkg:"curl-debuginfo", rpm:"curl-debuginfo~7.15.5~2.1.el5_3.5", rls:"RHENT_5")) != NULL) {
    report += res;
}
if ((res = isrpmvuln(pkg:"curl-devel", rpm:"curl-devel~7.15.5~2.1.el5_3.5", rls:"RHENT_5")) != NULL) {
    report += res;
}

if (report != "") {
    security_message(data:report);
} else if (__pkg_match) {
    exit(99);
}

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21 Mar 2024 00:00Current
6.4Medium risk
Vulners AI Score6.4
CVSS 27.5
EPSS0.03461
22