Vulnerability Monitor

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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 demonstrated by '(\227|)(\\1\\1|t1|\\\2537)+' in grep.

Published

2019-02-26T02:29:00.450

Last Modified

2024-11-21T04:02:11.827

Status

Modified

Source

[email protected]

Severity

CVSSv3.0: 7.5 (HIGH)

CVSSv2 Vector

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

Access Vector: NETWORK
Access Complexity: LOW
Authentication: NONE
Confidentiality Impact: NONE
Integrity Impact: NONE
Availability Impact: PARTIAL

Exploitability Score

10.0

Impact Score

2.9

Weaknesses

Type: Primary
CWE-674

Affected Vendors & Products

Type	Vendor	Product	Version/Range	Vulnerable?
Application	gnu	glibc	≤ 2.29	Yes
Application	netapp	cloud_backup	*	Yes
Application	netapp	ontap_select_deploy_administration_utility	-	Yes
Application	netapp	steelstore_cloud_integrated_storage	-	Yes

References

http://www.securityfocus.com/bid/107160 Third Party Advisory, VDB Entry ([email protected])
https://debbugs.gnu.org/cgi/bugreport.cgi?bug=34141 Exploit, Mailing List, Vendor Advisory ([email protected])
https://lists.gnu.org/archive/html/bug-gnulib/2019-01/msg00108.html Exploit, Mailing List, Vendor Advisory ([email protected])
https://security.netapp.com/advisory/ntap-20190315-0002/ Patch, Third Party Advisory ([email protected])
https://support.f5.com/csp/article/K26346590?utm_source=f5support&amp%3Butm_medium=RSS ([email protected])
http://www.securityfocus.com/bid/107160 Third Party Advisory, VDB Entry (af854a3a-2127-422b-91ae-364da2661108)
https://debbugs.gnu.org/cgi/bugreport.cgi?bug=34141 Exploit, Mailing List, Vendor Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://lists.gnu.org/archive/html/bug-gnulib/2019-01/msg00108.html Exploit, Mailing List, Vendor Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://security.netapp.com/advisory/ntap-20190315-0002/ Patch, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://support.f5.com/csp/article/K26346590?utm_source=f5support&amp%3Butm_medium=RSS (af854a3a-2127-422b-91ae-364da2661108)