CVE-2017-18258
published 2018-04-08CVE-2017-18258: The xz_head function in xzlib.c in libxml2 before 2.9.6 allows remote attackers to cause a denial of service (memory consumption) via a crafted LZMA file…
PriorityP426medium6.5CVSS 3.0
AVNACLPRNUIRSUCNINAH
EPSS
2.71%
84.1th percentile
The xz_head function in xzlib.c in libxml2 before 2.9.6 allows remote attackers to cause a denial of service (memory consumption) via a crafted LZMA file, because the decoder functionality does not restrict memory usage to what is required for a legitimate file.
Affected
10 ranges
| Vendor | Product | Version range | Fixed in |
|---|---|---|---|
| debian | libxml2 | < libxml2 2.9.10+dfsg-2 (bookworm) | libxml2 2.9.10+dfsg-2 (bookworm) |
| nokogiri | nokogiri | >= 0 < 1.8.2 | 1.8.2 |
| xmlsoft | libxml2 | < 2.9.6 | 2.9.6 |
| xmlsoft | libxml2 | >= 0 < 2.9.10+dfsg-2 | 2.9.10+dfsg-2 |
| xmlsoft | libxml2 | >= 0 < 2.9.10+dfsg-2 | 2.9.10+dfsg-2 |
| xmlsoft | libxml2 | >= 0 < 2.9.10+dfsg-2 | 2.9.10+dfsg-2 |
| xmlsoft | libxml2 | >= 0 < 2.9.10+dfsg-2 | 2.9.10+dfsg-2 |
| xmlsoft | libxml2 | >= 0 < 2.9.1+dfsg1-3ubuntu4.13 | 2.9.1+dfsg1-3ubuntu4.13 |
| xmlsoft | libxml2 | >= 0 < 2.9.3+dfsg1-1ubuntu0.6 | 2.9.3+dfsg1-1ubuntu0.6 |
| xmlsoft | libxml2 | >= 0 < 2.9.4+dfsg1-6.1ubuntu1.2 | 2.9.4+dfsg1-6.1ubuntu1.2 |
CVSS provenance
nvdv3.06.5MEDIUMCVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
nvdv2.04.3MEDIUMAV:N/AC:M/Au:N/C:N/I:N/A:P
osv6.5MEDIUM
vendor_debian6.5LOW
vendor_redhat6.5MEDIUM
vendor_ubuntu5.5MEDIUM
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OSV
libxml2 vulnerabilities
osv·2018-08-14·CVSS 5.5
CVE-2016-9318 [MEDIUM] libxml2 vulnerabilities
libxml2 vulnerabilities
Matias Brutti discovered that libxml2 incorrectly handled certain XML files.
An attacker could possibly use this issue to expose sensitive information.
(CVE-2016-9318)
It was discovered that libxml2 incorrectly handled certain files.
An attacker could possibly use this issue to cause a denial of service.
This issue only affected Ubuntu 18.04 LTS. (CVE-2017-16932)
It was discovered that libxml2 incorrectly handled certain files.
An attacker could possibly use this issue to cause a denial of service.
(CVE-2017-18258, CVE-2018-14404, CVE-2018-14567)
GHSA
Uncontrolled resource consumption in nokogiri
ghsa·2018-04-13
CVE-2017-18258 [MEDIUM] CWE-770 Uncontrolled resource consumption in nokogiri
Uncontrolled resource consumption in nokogiri
The xz_head function in xzlib.c in libxml2 before 2.9.6 allows remote attackers to cause a denial of service (memory consumption) via a crafted LZMA file, because the decoder functionality does not restrict memory usage to what is required for a legitimate file.
OSV
Uncontrolled resource consumption in nokogiri
osv·2018-04-13
CVE-2017-18258 [MEDIUM] Uncontrolled resource consumption in nokogiri
Uncontrolled resource consumption in nokogiri
The xz_head function in xzlib.c in libxml2 before 2.9.6 allows remote attackers to cause a denial of service (memory consumption) via a crafted LZMA file, because the decoder functionality does not restrict memory usage to what is required for a legitimate file.
OSV
CVE-2017-18258: The xz_head function in xzlib
osv·2018-04-08·CVSS 6.5
CVE-2017-18258 [MEDIUM] CVE-2017-18258: The xz_head function in xzlib
The xz_head function in xzlib.c in libxml2 before 2.9.6 allows remote attackers to cause a denial of service (memory consumption) via a crafted LZMA file, because the decoder functionality does not restrict memory usage to what is required for a legitimate file.
CISA ICS
Siemens SIMATIC S7-1500 CPU 1518(F)-4 PN/DP MFP V3.1
cisa_ics·2023-12-14
Siemens SIMATIC S7-1500 CPU 1518(F)-4 PN/DP MFP V3.1
ICS Advisory
##
Siemens SIMATIC S7-1500 CPU 1518(F)-4 PN/DP MFP V3.1
Release DateDecember 14, 2023
Alert CodeICSA-23-348-10
As of January 10, 2023, CISA will no longer be updating ICS security advisories for Siemens product vulnerabilities beyond the initial advisory. For the most up-to-date information on vulnerabilities in this advisory, please see Siemens' ProductCERT Security Advisories (CERT Services | Services | Siemens Global).
View CSAF
## 1. EXECUTIVE SUMMARY
- CVSS v3 9.8
- ATTENTION: Exploitable remotely/low attack complexity
- Vendor: Siemens
- Equipment: SIMATIC S7-1500 CPU 1518(F)-4 PN/DP MFP V3.1
- Vulnerabilities: Improper Restriction of XML External Entity Reference, Time-of-check Time-of-use (TOCTOU) Race Condition, Command Injection, Miss
Ubuntu
libxml2 vulnerabilities
vendor_ubuntu·2018-08-14·CVSS 5.5
CVE-2016-9318 [MEDIUM] libxml2 vulnerabilities
Title: libxml2 vulnerabilities
Summary: Several security issues were fixed in libxml2.
Matias Brutti discovered that libxml2 incorrectly handled certain XML files.
An attacker could possibly use this issue to expose sensitive information.
(CVE-2016-9318)
It was discovered that libxml2 incorrectly handled certain files.
An attacker could possibly use this issue to cause a denial of service.
This issue only affected Ubuntu 18.04 LTS. (CVE-2017-16932)
It was discovered that libxml2 incorrectly handled certain files.
An attacker could possibly use this issue to cause a denial of service.
(CVE-2017-18258, CVE-2018-14404, CVE-2018-14567)
Instructions: In general, a standard system update will make all the necessary changes.
Red Hat
libxml2: Unrestricted memory usage in xz_head() function in xzlib.c
vendor_redhat·2017-09-07·CVSS 6.5
CVE-2017-18258 [MEDIUM] CWE-400 libxml2: Unrestricted memory usage in xz_head() function in xzlib.c
libxml2: Unrestricted memory usage in xz_head() function in xzlib.c
The xz_head function in xzlib.c in libxml2 before 2.9.6 allows remote attackers to cause a denial of service (memory consumption) via a crafted LZMA file, because the decoder functionality does not restrict memory usage to what is required for a legitimate file.
Package: libxml2 (Red Hat Enterprise Linux 5) - Not affected
Package: libxml2 (Red Hat Enterprise Linux 6) - Not affected
Package: libxml2 (Red Hat Enterprise Linux 8) - Not affected
Package: mingw-libxml2 (Red Hat Enterprise Linux 8) - Affected
Package: libxml2 (Red Hat JBoss Core Services) - Affected
Package: libxml2 (Red Hat JBoss Web Server 3) - Not affected
Debian
CVE-2017-18258: libxml2 - The xz_head function in xzlib.c in libxml2 before 2.9.6 allows remote attackers ...
vendor_debian·2017·CVSS 6.5
CVE-2017-18258 [MEDIUM] CVE-2017-18258: libxml2 - The xz_head function in xzlib.c in libxml2 before 2.9.6 allows remote attackers ...
The xz_head function in xzlib.c in libxml2 before 2.9.6 allows remote attackers to cause a denial of service (memory consumption) via a crafted LZMA file, because the decoder functionality does not restrict memory usage to what is required for a legitimate file.
Scope: local
bookworm: resolved (fixed in 2.9.10+dfsg-2)
bullseye: resolved (fixed in 2.9.10+dfsg-2)
forky: resolved (fixed in 2.9.10+dfsg-2)
sid: resolved (fixed in 2.9.10+dfsg-2)
trixie: resolved (fixed in 2.9.10+dfsg-2)
No detection rules found.
No public exploits indexed.
Bugzilla
CVE-2017-18258 mingw-libxml2: libxml2: denial of service in xz_head function in xzlib.c [fedora-all]
bugzilla·2018-04-12·CVSS 6.5
CVE-2017-18258 [MEDIUM] CVE-2017-18258 mingw-libxml2: libxml2: denial of service in xz_head function in xzlib.c [fedora-all]
CVE-2017-18258 mingw-libxml2: libxml2: denial of service in xz_head function in xzlib.c [fedora-all]
This is an automatically created tracking bug! It was created to ensure
that one or more security vulnerabilities are fixed in affected versions
of fedora-all.
For comments that are specific to the vulnerability please use bugs filed
against the "Security Response" product referenced in the "Blocks" field.
For more information see:
http://fedoraproject.org/wiki/Security/TrackingBugs
When submitting as an update, use the fedpkg template provided in the next
comment(s). This will include the bug IDs of this tracking bug as well as
the relevant top-level CVE bugs.
Please also mention the CVE IDs being fixed in the RPM changelog and the
fedpkg commit message.
NOTE: this issue affects mult
Bugzilla
CVE-2017-18258 libxml2: Unrestricted memory usage in xz_head() function in xzlib.c
bugzilla·2018-04-12·CVSS 6.5
CVE-2017-18258 [MEDIUM] CVE-2017-18258 libxml2: Unrestricted memory usage in xz_head() function in xzlib.c
CVE-2017-18258 libxml2: Unrestricted memory usage in xz_head() function in xzlib.c
A flaw was found in libxml2 before 2.9.6. The xz_head function in xzlib.c in allows remote attackers to cause a denial of service (memory consumption) via a crafted LZMA file, because the decoder functionality does not restrict memory usage to what is required for a legitimate file.
References:
https://git.gnome.org/browse/libxml2/commit/?id=e2a9122b8dde53d320750451e9907a7dcb2ca8bb
Discussion:
Created mingw-libxml2 tracking bugs for this issue:
Affects: fedora-all [bug 1566751]
Affects: epel-7 [bug 1566750]
---
Note that this patch introduced another vulnerability: CVE-2018-14567 (flaw bug 1619875), which was in turn fixed by:
https://gitlab.gnome.org/GNOME/libxml2/commit/2240fbf5912
---
This issu
Bugzilla
CVE-2017-18258 mingw-libxml2: libxml2: denial of service in xz_head function in xzlib.c [epel-7]
bugzilla·2018-04-12·CVSS 6.5
CVE-2017-18258 [MEDIUM] CVE-2017-18258 mingw-libxml2: libxml2: denial of service in xz_head function in xzlib.c [epel-7]
CVE-2017-18258 mingw-libxml2: libxml2: denial of service in xz_head function in xzlib.c [epel-7]
This is an automatically created tracking bug! It was created to ensure
that one or more security vulnerabilities are fixed in affected versions
of epel-7.
For comments that are specific to the vulnerability please use bugs filed
against the "Security Response" product referenced in the "Blocks" field.
For more information see:
http://fedoraproject.org/wiki/Security/TrackingBugs
When submitting as an update, use the fedpkg template provided in the next
comment(s). This will include the bug IDs of this tracking bug as well as
the relevant top-level CVE bugs.
Please also mention the CVE IDs being fixed in the RPM changelog and the
fedpkg commit message.
Discussion:
Use the following templa
https://git.gnome.org/browse/libxml2/commit/?id=e2a9122b8dde53d320750451e9907a7dcb2ca8bbhttps://kc.mcafee.com/corporate/index?page=content&id=SB10284https://lists.debian.org/debian-lts-announce/2018/09/msg00035.htmlhttps://lists.debian.org/debian-lts-announce/2020/09/msg00009.htmlhttps://security.netapp.com/advisory/ntap-20190719-0001/https://usn.ubuntu.com/3739-1/https://git.gnome.org/browse/libxml2/commit/?id=e2a9122b8dde53d320750451e9907a7dcb2ca8bbhttps://kc.mcafee.com/corporate/index?page=content&id=SB10284https://lists.debian.org/debian-lts-announce/2018/09/msg00035.htmlhttps://lists.debian.org/debian-lts-announce/2020/09/msg00009.htmlhttps://security.netapp.com/advisory/ntap-20190719-0001/https://usn.ubuntu.com/3739-1/
2018-04-08
Published