vulnwire
7.8high

CVE-2016-1834

Heap-based buffer overflow in the xmlStrncat function in libxml2 before 2.9.4, as used in Apple iOS before 9.3.2, OS X before 10.11.5, tvOS…

Published 10 y ago · modified 4 mo ago · JSON

CVSS
7.8
v3.1 · CNA
CISA KEV
No
not known exploited
EPSS
4.6%
percentile 92%
Public exploits
0
none known

Heap-based buffer overflow in the xmlStrncat function in libxml2 before 2.9.4, as used in Apple iOS before 9.3.2, OS X before 10.11.5, tvOS before 9.2.1, and watchOS before 2.2.1, allows remote attackers to execute arbitrary code or cause a denial of service (memory corruption) via a crafted XML document.

CISA SSVC assessment

Exploitation
none
Automatable
no
Technical impact
total
Assessed
11 mo ago

Exploit prediction (EPSS)

4.62% probability of exploitation in the next 30 days, higher than 92% of all scored CVEs.

CVSS scores

Assigned byVersionScoreVector
CISA ADP3.17.8CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
CNA3.17.8CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
NVD3.07.8CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
NVD2.09.3AV:N/AC:M/Au:N/C:C/I:C/A:C

Classification

Weakness
  • CWE-122 Heap-based Buffer Overflow
  • CWE-119 Improper Restriction of Operations within the Bounds of a Memory Buffer

References

  • git.gnome.org /browse/libxml2/commit/?id=8fbbf5513d609c1770b391b99e33314cd0742704 · x_refsource_CONFIRM, x_transferred
  • oracle.com /technetwork/topics/security/ovmbulletinjul2016-3090546.html · x_refsource_CONFIRM, x_transferred
  • kc.mcafee.com /corporate/index?page=content&id=SB10170 · x_refsource_CONFIRM, x_transferred
  • access.redhat.com /errata/RHSA-2016:1292 · vendor-advisory, x_refsource_REDHAT, x_transferred
  • oracle.com /technetwork/topics/security/linuxbulletinjul2016-3090544.html · x_refsource_CONFIRM, x_transferred
  • support.apple.com /HT206567 · x_refsource_CONFIRM, x_transferred
  • securityfocus.com /bid/90691 · vdb-entry, x_refsource_BID, x_transferred
  • bugzilla.gnome.org /show_bug.cgi?id=763071 · x_refsource_CONFIRM, x_transferred
  • debian.org /security/2016/dsa-3593 · vendor-advisory, x_refsource_DEBIAN, x_transferred
  • xmlsoft.org /news.html · x_refsource_CONFIRM, x_transferred
  • lists.apple.com /archives/security-announce/2016/May/msg00004.html · vendor-advisory, x_refsource_APPLE, x_transferred
  • ubuntu.com /usn/USN-2994-1 · vendor-advisory, x_refsource_UBUNTU, x_transferred
  • support.apple.com /HT206566 · x_refsource_CONFIRM, x_transferred
  • tenable.com /security/tns-2016-18 · x_refsource_CONFIRM, x_transferred
  • lists.apple.com /archives/security-announce/2016/May/msg00003.html · vendor-advisory, x_refsource_APPLE, x_transferred
  • support.apple.com /HT206564 · x_refsource_CONFIRM, x_transferred
  • rhn.redhat.com /errata/RHSA-2016-2957.html · vendor-advisory, x_refsource_REDHAT, x_transferred
  • securitytracker.com /id/1035890 · vdb-entry, x_refsource_SECTRACK, x_transferred
  • lists.apple.com /archives/security-announce/2016/May/msg00002.html · vendor-advisory, x_refsource_APPLE, x_transferred
  • support.apple.com /HT206568 · x_refsource_CONFIRM, x_transferred
  • lists.apple.com /archives/security-announce/2016/May/msg00001.html · vendor-advisory, x_refsource_APPLE, x_transferred

Sources

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