6.5med
CVE-2018-14404
Nokogiri NULL Pointer Dereference
Also known as GHSA-6qvp-r6r3-9p7h
Published 8 y ago · modified 24 d ago · JSON
CVSS
6.5
v3.1 · CNA
CISA KEV
No
not known exploited
EPSS
3.7%
percentile 90%
Public exploits
0
none known
Summary
A NULL pointer dereference vulnerability exists in the xpath.c:xmlXPathCompOpEval() function of libxml2 through 2.9.8 when parsing an invalid XPath expression in the XPATH_OP_AND or XPATH_OP_OR case. Applications processing untrusted XSL format inputs with the use of the libxml2 library may be vulnerable to a denial of service attack due to a crash of the application.
CISA SSVC assessment
- Exploitation
- none
- Automatable
- no
- Technical impact
- partial
- Assessed
- 11 mo ago
Exploit prediction (EPSS)
3.75% probability of exploitation in the next 30 days, higher than 90% of all scored CVEs.
CVSS scores
| Assigned by | Version | Score | Vector |
|---|---|---|---|
| CISA ADP | 3.1 | 6.5 | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H |
| CNA | 3.1 | 6.5 | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H |
| NVD | 3.0 | 7.5 | CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |
| NVD | 2.0 | 5.0 | AV:N/AC:L/Au:N/C:N/I:N/A:P |
| GitHub | 3.0 | 7.5 | CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |
Affected packages
| Ecosystem | Package | Affected | Fixed in |
|---|---|---|---|
| rubygems | nokogiri | <1.8.5 | 1.8.5 |
Affected products
- Siemens SIMATIC S7-1500 CPU 1518-4 PN/DP MFP
- Siemens SIMATIC S7-1500 CPU 1518F-4 PN/DP MFP
- Siemens SIPLUS S7-1500 CPU 1518-4 PN/DP MFP
Classification
- Weakness
- CWE-476 NULL Pointer Dereference
References
- lists.debian.org /debian-lts-announce/2018/09/msg00035.html · mailing-list, x_refsource_MLIST, x_transferred
- gitlab.gnome.org /GNOME/libxml2/issues/10 · x_refsource_MISC, x_transferred
- usn.ubuntu.com /3739-1/ · vendor-advisory, x_refsource_UBUNTU, x_transferred
- bugs.debian.org /cgi-bin/bugreport.cgi?bug=901817 · x_refsource_MISC, x_transferred
- usn.ubuntu.com /3739-2/ · vendor-advisory, x_refsource_UBUNTU, x_transferred
- bugzilla.redhat.com /show_bug.cgi?id=1595985 · x_refsource_MISC, x_transferred
- access.redhat.com /errata/RHSA-2019:1543 · vendor-advisory, x_refsource_REDHAT, x_transferred
- security.netapp.com /advisory/ntap-20190719-0002/ · x_refsource_CONFIRM, x_transferred
- lists.debian.org /debian-lts-announce/2020/09/msg00009.html · mailing-list, x_refsource_MLIST, x_transferred
- cert-portal.siemens.com /productcert/html/ssa-398330.html
- nvd.nist.gov /vuln/detail/CVE-2018-14404 · advisory
- github.com /sparklemotion/nokogiri/issues/1785 · web
- github.com /rubysec/ruby-advisory-db/blob/master/gems/nokogiri/CVE-2018-14404.yml · web
- security.netapp.com /advisory/ntap-20190719-0002 · web
- usn.ubuntu.com /3739-1 · web
- usn.ubuntu.com /3739-2 · web
Sources
- CVE List: CVE-2018-14404
- GitHub Advisory: GHSA-6qvp-r6r3-9p7h
- NVD: CVE-2018-14404
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