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The vulnerability of strongSwan, caused by a full overflow of integers (assuming that the cache of certificates in memory is full), allows a malicious actor to trigger a service failure.

🗓️ 25 May 2023 00:00:00Reported by FSTEC of Russia — Information Security Threat DatabaseType 
bdu_fstec
 bdu_fstec🔗 bdu.fstec.ru👁 6 Views

StrongSwan overflow when certificate cache is full allows remote attack to trigger service failure.

Related
Detection
Refs
ReporterTitlePublishedViews
Family
FreeBSD		strongswan - denial-of-service vulnerability in the gmp plugin/denial-of-service vulnerability in the in-memory certificate cache
4 Oct 202100:00
–freebsd
ATTACKERKB		CVE-2021-41991
18 Oct 202114:15
–attackerkb
AlpineLinux		CVE-2021-41991
18 Oct 202113:44
–alpinelinux
CBLMariner		CVE-2021-41991 affecting package strongswan 5.7.2-6
6 Nov 202100:29
–cbl_mariner
CBLMariner		CVE-2021-41991 affecting package strongswan for versions less than 5.9.5-1
26 Apr 202220:17
–cbl_mariner
Circl		CVE-2021-41991
18 Oct 202118:32
–circl
CNNVD		strongSwan 输入验证错误漏洞
18 Oct 202100:00
–cnnvd
CVE		CVE-2021-41991
18 Oct 202113:44
–cve
Cvelist		CVE-2021-41991
18 Oct 202113:44
–cvelist
Debian		[SECURITY] [DLA 2788-1] strongswan security update
19 Oct 202122:36
–debian
Rows per page
Vulners
Node
siemens_agruggedcom_rm1224_lte(4g)_euRange<7.1
OR
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OR
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OR
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OR
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OR
siemens_agscalance_m826-2_shdsl-routerRange<7.1
OR
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OR
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OR
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OR
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OR
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OR
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OR
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OR
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OR
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OR
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OR
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OR
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OR
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OR
siemens_agsimatic_cp_1243-8_ircRange<3.3.46
OR
siemens_agsimatic_cm_1542sp-1Range<2.2.28
OR
siemens_agsimatic_cp_1543-1Range<3.0.22
OR
siemens_agsimatic_cp_1543sp-1Range<2.2.28
OR
siemens_agsimatic_cp_1545-1Range<1.1
OR
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OR
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OR
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OR
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OR
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OR
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OR
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OR
fedorafedoraMatch33
OR
canonicalubuntuMatch21.04
OR
fedorafedoraMatch34
OR
fedorafedoraMatch35
OR
canonicalubuntuMatch21.10

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27 May 2024 00:00Current
7.2High risk
Vulners AI Score7.2
CVSS 37.5
CVSS 27.8
EPSS0.04804
strongSwan vulnerabilityinteger overflowcertificate cacheremote exploitationservice failure
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