vulnwire
5.5med

CVE-2016-8688

The mtree bidder in libarchive 3.2.1 does not keep track of line sizes when extending the read-ahead, which allows remote attackers to caus…

Published 9 y ago · modified 4 mo ago · JSON

CVSS
5.5
v3.0 · NVD
CISA KEV
No
not known exploited
EPSS
2.0%
percentile 81%
Public exploits
0
none known

The mtree bidder in libarchive 3.2.1 does not keep track of line sizes when extending the read-ahead, which allows remote attackers to cause a denial of service (crash) via a crafted file, which triggers an invalid read in the (1) detect_form or (2) bid_entry function in libarchive/archive_read_support_format_mtree.c.

Exploit prediction (EPSS)

1.98% probability of exploitation in the next 30 days, higher than 81% of all scored CVEs.

CVSS scores

Assigned byVersionScoreVector
NVD3.05.5CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
NVD2.04.3AV:N/AC:M/Au:N/C:N/I:N/A:P

Classification

Weakness

References

  • openwall.com /lists/oss-security/2016/10/16/11 · mailing-list, x_refsource_MLIST, x_transferred
  • lists.debian.org /debian-lts-announce/2018/11/msg00037.html · mailing-list, x_refsource_MLIST, x_transferred
  • blogs.gentoo.org /ago/2016/09/11/libarchive-bsdtar-use-after-free-in-detect_form-archive_read_support_forma · x_refsource_MISC, x_transferred
  • bugzilla.redhat.com /show_bug.cgi?id=1377923 · x_refsource_CONFIRM, x_transferred
  • security.gentoo.org /glsa/201701-03 · vendor-advisory, x_refsource_GENTOO, x_transferred
  • github.com /libarchive/libarchive/commit/eec077f52bfa2d3f7103b4b74d52572ba8a15aca · x_refsource_CONFIRM, x_transferred
  • blogs.gentoo.org /ago/2016/09/11/libarchive-bsdtar-heap-based-buffer-overflow-in-bid_entry-archive_read_sup · x_refsource_MISC, x_transferred
  • securityfocus.com /bid/93781 · vdb-entry, x_refsource_BID, x_transferred
  • blogs.gentoo.org /ago/2016/09/11/libarchive-bsdtar-memory-corruptionunknown-crash-in-bid_entry-archive_read · x_refsource_MISC, x_transferred
  • blogs.gentoo.org /ago/2016/09/11/libarchive-bsdtar-heap-based-buffer-overflow-in-detect_form-archive_read_s · x_refsource_MISC, x_transferred
  • lists.opensuse.org /opensuse-updates/2016-12/msg00027.html · vendor-advisory, x_refsource_SUSE, x_transferred
  • blogs.gentoo.org /ago/2016/09/11/libarchive-bsdtar-use-after-free-in-bid_entry-archive_read_support_format_ · x_refsource_MISC, x_transferred

Sources

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