VulnerabilityModified
CVE-2022-3515
A vulnerability was found in the Libksba library due to an integer overflow within the CRL parser.
CRITICAL 9.8EPSS 1.65%
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (1.65%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
Description
A vulnerability was found in the Libksba library due to an integer overflow within the CRL parser. The vulnerability can be exploited remotely for code execution on the target system by passing specially crafted data to the application, for example, a malicious S/MIME attachment.
- CVSS 3.1
- 9.8 CRITICALCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- EPSS
- 1.65% probability · 75th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-190
- Affected
- gnupg/libksba · gpg4win/gpg4win · gnupg/vs-desktop · gnupg/gnupg
- Source
- secalert@redhat.com
References
- https://access.redhat.com/security/cve/CVE-2022-3515Patch, Third Party Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=2135610Exploit, Issue Tracking, Third Party Advisory
- https://dev.gnupg.org/rK4b7d9cd4a018898d7714ce06f3faf2626c14582bExploit, Patch, Third Party Advisory
- https://security.netapp.com/advisory/ntap-20230706-0008/
- https://www.gnupg.org/blog/20221017-pepe-left-the-ksba.htmlThird Party Advisory
- https://access.redhat.com/security/cve/CVE-2022-3515Patch, Third Party Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=2135610Exploit, Issue Tracking, Third Party Advisory
- https://dev.gnupg.org/rK4b7d9cd4a018898d7714ce06f3faf2626c14582bExploit, Patch, Third Party Advisory
- https://security.netapp.com/advisory/ntap-20230706-0008/
- https://www.gnupg.org/blog/20221017-pepe-left-the-ksba.htmlThird Party Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.