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:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
9.1 High
AI Score
Confidence
High
10 High
CVSS2
Access Vector
NETWORK
Access Complexity
LOW
Authentication
NONE
Confidentiality Impact
COMPLETE
Integrity Impact
COMPLETE
Availability Impact
COMPLETE
AV:N/AC:L/Au:N/C:C/I:C/A:C
0.03 Low
EPSS
Percentile
90.9%
The remote host is missing an update for the Debian
# SPDX-FileCopyrightText: 2017 Greenbone AG
# 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
if(description)
{
script_oid("1.3.6.1.4.1.25623.1.0.703963");
script_cve_id("CVE-2017-1000115", "CVE-2017-1000116");
script_tag(name:"creation_date", value:"2017-09-03 22:00:00 +0000 (Sun, 03 Sep 2017)");
script_version("2024-02-02T05:06:06+0000");
script_tag(name:"last_modification", value:"2024-02-02 05:06:06 +0000 (Fri, 02 Feb 2024)");
script_tag(name:"cvss_base", value:"10.0");
script_tag(name:"cvss_base_vector", value:"AV:N/AC:L/Au:N/C:C/I:C/A:C");
script_tag(name:"severity_vector", value:"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H");
script_tag(name:"severity_origin", value:"NVD");
script_tag(name:"severity_date", value:"2017-10-13 19:39:35 +0000 (Fri, 13 Oct 2017)");
script_name("Debian: Security Advisory (DSA-3963-1)");
script_category(ACT_GATHER_INFO);
script_copyright("Copyright (C) 2017 Greenbone AG");
script_family("Debian Local Security Checks");
script_dependencies("gather-package-list.nasl");
script_mandatory_keys("ssh/login/debian_linux", "ssh/login/packages", re:"ssh/login/release=DEB(8|9)");
script_xref(name:"Advisory-ID", value:"DSA-3963-1");
script_xref(name:"URL", value:"https://www.debian.org/security/2017/DSA-3963-1");
script_xref(name:"URL", value:"https://security-tracker.debian.org/tracker/DSA-3963");
script_tag(name:"summary", value:"The remote host is missing an update for the Debian 'mercurial' package(s) announced via the DSA-3963-1 advisory.");
script_tag(name:"vuldetect", value:"Checks if a vulnerable package version is present on the target host.");
script_tag(name:"insight", value:"Several issues were discovered in Mercurial, a distributed revision control system.
CVE-2017-9462 (fixed in stretch only) Jonathan Claudius of Mozilla discovered that repositories served over stdio could be tricked into granting authorized users access to the Python debugger.
CVE-2017-1000115
Mercurial's symlink auditing was incomplete, and could be abused to write files outside the repository.
CVE-2017-1000116
Joern Schneeweisz discovered that Mercurial did not correctly handle maliciously constructed ssh:// URLs. This allowed an attacker to run an arbitrary shell command.
For the oldstable distribution (jessie), these problems have been fixed in version 3.1.2-2+deb8u4.
For the stable distribution (stretch), these problems have been fixed in version 4.0-1+deb9u1.
We recommend that you upgrade your mercurial packages.");
script_tag(name:"affected", value:"'mercurial' package(s) on Debian 8, Debian 9.");
script_tag(name:"solution", value:"Please install the updated package(s).");
script_tag(name:"solution_type", value:"VendorFix");
script_tag(name:"qod_type", value:"package");
exit(0);
}
include("revisions-lib.inc");
include("pkg-lib-deb.inc");
release = dpkg_get_ssh_release();
if(!release)
exit(0);
res = "";
report = "";
if(release == "DEB8") {
if(!isnull(res = isdpkgvuln(pkg:"mercurial", ver:"3.1.2-2+deb8u4", rls:"DEB8"))) {
report += res;
}
if(!isnull(res = isdpkgvuln(pkg:"mercurial-common", ver:"3.1.2-2+deb8u4", rls:"DEB8"))) {
report += res;
}
if(report != "") {
security_message(data:report);
} else if(__pkg_match) {
exit(99);
}
exit(0);
}
if(release == "DEB9") {
if(!isnull(res = isdpkgvuln(pkg:"mercurial", ver:"4.0-1+deb9u1", rls:"DEB9"))) {
report += res;
}
if(!isnull(res = isdpkgvuln(pkg:"mercurial-common", ver:"4.0-1+deb9u1", rls:"DEB9"))) {
report += res;
}
if(report != "") {
security_message(data:report);
} else if(__pkg_match) {
exit(99);
}
exit(0);
}
exit(0);
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:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
9.1 High
AI Score
Confidence
High
10 High
CVSS2
Access Vector
NETWORK
Access Complexity
LOW
Authentication
NONE
Confidentiality Impact
COMPLETE
Integrity Impact
COMPLETE
Availability Impact
COMPLETE
AV:N/AC:L/Au:N/C:C/I:C/A:C
0.03 Low
EPSS
Percentile
90.9%