CVE-2008-4292

Opera before 9.52 does not check the CRL override upon encountering a certificate that lacks a CRL, which has unknown impact and attack vectors

published September 27, 2008

CVSS
—
EPSS
2%
Percentile
79.6
In the wild
Unconfirmed
What it is

⚠️ A missing check might leave your security hanging! Opera versions before 9.52 don’t verify CRL overrides when hitting certificates without a CRL — it’s as if the security gate lost its security badge! Think of it like a VIP club where bouncers let some guests through without checking their ID. If they miss a few people, who knows who might sneak in and cause trouble? While it’s unclear just how this could be exploited, the potential for confusion around certificate validation could leave users vulnerable to unexpected security risks. An attacker could theoretically misuse this gap in verification, making this an issue worth keeping an eye on even if it hasn’t been actively exploited yet.

Put simply

Think of it like a VIP club where bouncers let some guests through without checking their ID. If they miss a few people, who knows who might sneak in and cause trouble? This vulnerability arises when Opera does not properly check Certificate Revocation Lists (CRLs) for certificates that lack one, which could lead to security weaknesses in validating the authenticity of certificates.

What to do

While it’s unclear just how this could be exploited, the potential for confusion around certificate validation could leave users vulnerable to unexpected security risks. An attacker could theoretically misuse this gap in verification, making this an issue worth keeping an eye on even if it hasn’t been actively exploited yet. To secure your experience, update Opera to version 9.52 or newer, where this concern is addressed. Regularly review your browser's security settings and be vigilant about certificate warnings—it's better to be safe than sorry! You got this! Keep your software updated and stay security-savvy! 🛡️

The record
Technical detail
CVSS
Not scored
CVSS v4.0
Not supplied
EPSS
0.01916 · 79.6th percentile
Published
2008-09-27T00:00Z
EPSS history
Timeline
  • 27 SEP 00:00Z
    Opera before 9.52 does not check the CRL override upon encountering a certificate that lacks a CRL, which has unknown impact and attack vectors
    cvelistv5