CVE-2017-9229

Original description

An issue was discovered in Oniguruma 6.2.0, as used in Oniguruma-mod in Ruby through 2.4.1 and mbstring in PHP through 7.1.5. A SIGSEGV occurs in left_adjust_char_head() during regular expression compilation. Invalid handling of reg->dmax in forward_search_range() could result in an invalid pointer dereference, normally as an immediate denial-of-service condition.

Affected software

• PHP ≥ 7.0.0 < 7.0.21≤ 7.1.5≥ 7.1.0 < 7.1.7≥ 5.6.0 < 5.6.31 Fixed in: 7.0.21, 7.1.7, 5.6.31 exact match
• Ruby ≤ 2.4.1 exact match

Details

Published

2017-05-25

Last modified

2024-08-06

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

References

• cve.org/CVE-2017-9229
• nvd.nist.gov/vuln/detail/CVE-2017-9229
• github.com/kkos/oniguruma/commit/b690371bbf97794b4a1d3f295d4fb9a8b05d402d
• access.redhat.com/errata/RHSA-2018:1296
• github.com/kkos/oniguruma/issues/59