vulnwire
7.5high

CVE-2018-20796

In the GNU C Library (aka glibc or libc6) through 2.29, check_dst_limits_calc_pos_1 in posix/regexec.c has Uncontrolled Recursion, as demon…

Published 7 y ago · modified 4 mo ago · JSON

CVSS
7.5
v3.0 · NVD
CISA KEV
No
not known exploited
EPSS
5.8%
percentile 93%
Public exploits
0
none known

In the GNU C Library (aka glibc or libc6) through 2.29, check_dst_limits_calc_pos_1 in posix/regexec.c has Uncontrolled Recursion, as demonstrated by '(\227|)(\\1\\1|t1|\\\2537)+' in grep.

Exploit prediction (EPSS)

5.80% probability of exploitation in the next 30 days, higher than 93% of all scored CVEs.

CVSS scores

Assigned byVersionScoreVector
NVD3.07.5CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
NVD2.05.0AV:N/AC:L/Au:N/C:N/I:N/A:P

Classification

Weakness

References

  • security.netapp.com /advisory/ntap-20190315-0002/ · x_refsource_CONFIRM, x_transferred
  • lists.gnu.org /archive/html/bug-gnulib/2019-01/msg00108.html · x_refsource_MISC, x_transferred
  • securityfocus.com /bid/107160 · vdb-entry, x_refsource_BID, x_transferred
  • debbugs.gnu.org /cgi/bugreport.cgi?bug=34141 · x_refsource_MISC, x_transferred
  • support.f5.com /csp/article/K26346590?utm_source=f5support&amp%3Butm_medium=RSS · x_refsource_CONFIRM, x_transferred

Sources

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