5.9med

CVE-2016-9586

curl before version 7.52.0 is vulnerable to a buffer overflow when doing a large floating point output in libcurl's implementation of the p…

Published 8 y ago · modified 4 mo ago · JSON

CVSS
5.9
v3.0 · CNA
CISA KEV
No
not known exploited
EPSS
4.7%
percentile 92%
Public exploits
0
none known

Summary

curl before version 7.52.0 is vulnerable to a buffer overflow when doing a large floating point output in libcurl's implementation of the printf() functions. If there are any application that accepts a format string from the outside without necessary input filtering, it could allow remote attacks.

CISA SSVC assessment

Exploitation
none
Automatable
no
Technical impact
partial
Assessed
6 mo ago

Exploit prediction (EPSS)

4.75% probability of exploitation in the next 30 days, higher than 92% of all scored CVEs.

CVSS scores

Assigned byVersionScoreVector
CNA3.05.9CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H
CNA3.05.9CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H
NVD3.08.1CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
NVD2.06.8AV:N/AC:M/Au:N/C:P/I:P/A:P

Affected products

  • redhat curl

Classification

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

References

  • access.redhat.com /errata/RHSA-2018:3558 · vendor-advisory, x_refsource_REDHAT, x_transferred
  • lists.debian.org /debian-lts-announce/2018/11/msg00005.html · mailing-list, x_refsource_MLIST, x_transferred
  • curl.haxx.se /docs/adv_20161221A.html · x_refsource_CONFIRM, x_transferred
  • github.com /curl/curl/commit/curl-7_51_0-162-g3ab3c16 · x_refsource_CONFIRM, x_transferred
  • securitytracker.com /id/1037515 · vdb-entry, x_refsource_SECTRACK, x_transferred
  • oracle.com /technetwork/security-advisory/cpuoct2018-4428296.html · x_refsource_CONFIRM, x_transferred
  • securityfocus.com /bid/95019 · vdb-entry, x_refsource_BID, x_transferred
  • bugzilla.redhat.com /show_bug.cgi?id=CVE-2016-9586 · x_refsource_MISC, x_transferred
  • security.gentoo.org /glsa/201701-47 · vendor-advisory, x_refsource_GENTOO, x_transferred
  • lists.apache.org /thread.html/rf4c02775860db415b4955778a131c2795223f61cb8c6a450893651e4%40%3Cissues.bookkee · mailing-list, x_refsource_MLIST, x_transferred
  • lists.apache.org /thread.html/r58af02e294bd07f487e2c64ffc0a29b837db5600e33b6e698b9d696b%40%3Cissues.bookkee · mailing-list, x_refsource_MLIST, x_transferred

Sources

vulnwire keeps one entry per vulnerability: the CVE id wins, then GHSA; records that alias each other are merged. Machine-readable: JSON.