CVE-2017-12135 — Incorrect Calculation in Citrix Xenserver

CWE-682 — Incorrect CalculationCWE-393 — Return of Wrong Status Code10 documents7 sources
Severity
8.8HIGHNVD
EPSS
0.1%
top 68.13%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
3
XENCitrix XenserverDebian Linux
Timeline
PublishedAug 24
Latest updateMay 13

Description

Xen allows local OS guest users to cause a denial of service (crash) or possibly obtain sensitive information or gain privileges via vectors involving transitive grants.

CVSS vector

CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:HExploitability: 2.0 | Impact: 6.0

Affected Packages2 packages

▶Debianxen/xen< 4.8.1-1+deb9u3+3
▶NVDcitrix/xenserver6 versions+5

Also affects: Debian Linux 8.0, 9.0

Patches

Patch: xenbits.xen.org ↗Patch: bugzilla.redhat.com ↗Patch: support.citrix.com ↗

🔴Vulnerability Details

3
GHSA
GHSA-4pcw-2chr-m4jj: Xen allows local OS guest users to cause a denial of service (crash) or possibly obtain sensitive information or gain privileges via vectors involving↗2022-05-13
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CVEList
CVE-2017-12135: Xen allows local OS guest users to cause a denial of service (crash) or possibly obtain sensitive information or gain privileges via vectors involving↗2017-08-24
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OSV
CVE-2017-12135: Xen allows local OS guest users to cause a denial of service (crash) or possibly obtain sensitive information or gain privileges via vectors involving↗2017-08-24
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📋Vendor Advisories

3
Red Hat
xen: bad continuation handling in GNTTABOP_copy (XSA-318)↗2020-04-14
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Red Hat
xen: possibly unbounded recursion in grant table code (XSA-226)↗2017-08-15
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Debian
CVE-2017-12135: xen - Xen allows local OS guest users to cause a denial of service (crash) or possibly...↗2017
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💬Community

3
Bugzilla
CVE-2020-11742 xen: bad continuation handling in GNTTABOP_copy (XSA-318)↗2020-04-14
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Bugzilla
CVE-2017-12134 CVE-2017-12135 CVE-2017-12136 CVE-2017-12137 CVE-2017-12855 xen: various flaws [fedora-all]↗2017-08-15
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Bugzilla
CVE-2017-12135 xsa226 xen: possibly unbounded recursion in grant table code (XSA-226)↗2017-08-02
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CVE-2017-12135 — Incorrect Calculation in Citrix | cvebase