CVE-2018-6459 — Improper Verification of Cryptographic Signature in Strongswan

CWE-347 — Improper Verification of Cryptographic SignatureCWE-20 — Improper Input Validation8 documents6 sources
Severity
5.3MEDIUMNVD
EPSS
0.2%
top 54.31%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
2
StrongswanDebian Strongswan
Timeline
PublishedFeb 20
Latest updateMay 13

Description

The rsa_pss_params_parse function in libstrongswan/credentials/keys/signature_params.c in strongSwan 5.6.1 allows remote attackers to cause a denial of service via a crafted RSASSA-PSS signature that lacks a mask generation function parameter.

CVSS vector

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:LExploitability: 3.9 | Impact: 1.4

Affected Packages3 packages

▶debiandebian/strongswan< strongswan 5.6.2-1 (bookworm)
▶Debianstrongswan/strongswan< 5.6.2-1+3

🔴Vulnerability Details

2
GHSA
GHSA-66xj-v6xw-92v4: The rsa_pss_params_parse function in libstrongswan/credentials/keys/signature_params↗2022-05-13
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OSV
CVE-2018-6459: The rsa_pss_params_parse function in libstrongswan/credentials/keys/signature_params↗2018-02-20
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📋Vendor Advisories

2
Red Hat
strongswan: Insufficient Input Validation in RSASSA-PSS Signature Parser↗2018-02-19
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Debian
CVE-2018-6459: strongswan - The rsa_pss_params_parse function in libstrongswan/credentials/keys/signature_pa...↗2018
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💬Community

3
Bugzilla
CVE-2018-6459 strongswan: Insufficient Input Validation in RSASSA-PSS Signature Parser↗2018-02-21
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Bugzilla
CVE-2018-6459 strongswan: Insufficient Input Validation in RSASSA-PSS Signature Parser [epel-all]↗2018-02-21
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Bugzilla
CVE-2018-6459 strongswan: Insufficient Input Validation in RSASSA-PSS Signature Parser [fedora-all]↗2018-02-21
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