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redhatRedHatRHSA-2024:0409
HistoryJan 24, 2024 - 2:40 p.m.

(RHSA-2024:0409) Moderate: oniguruma security update

2024-01-2414:40:20
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19
oniguruma
regular expressions library
character encodings
security fix
use-after-free
stack exhaustion
integer overflow
heap-based buffer over-read
cvss score
references
unix

9.8 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

7.7 High

AI Score

Confidence

High

7.5 High

CVSS2

Access Vector

NETWORK

Access Complexity

LOW

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

AV:N/AC:L/Au:N/C:P/I:P/A:P

0.012 Low

EPSS

Percentile

85.1%

Oniguruma is a regular expressions library that supports a variety of character encodings.

Security Fix(es):

  • oniguruma: Use-after-free in onig_new_deluxe() in regext.c (CVE-2019-13224)

  • oniguruma: Stack exhaustion in regcomp.c because of recursion in regparse.c (CVE-2019-16163)

  • oniguruma: integer overflow in search_in_range function in regexec.c leads to out-of-bounds read (CVE-2019-19012)

  • oniguruma: Heap-based buffer over-read in function gb18030_mbc_enc_len in file gb18030.c (CVE-2019-19203)

  • oniguruma: Heap-based buffer over-read in function fetch_interval_quantifier in regparse.c (CVE-2019-19204)

For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.

9.8 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

7.7 High

AI Score

Confidence

High

7.5 High

CVSS2

Access Vector

NETWORK

Access Complexity

LOW

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

AV:N/AC:L/Au:N/C:P/I:P/A:P

0.012 Low

EPSS

Percentile

85.1%