CVE-2015-3455

UnknownEPSS 11.40%

Last modified

CVE-2015-3455 is a vulnerability of currently unknown severity. Squid 3.2.x before 3.2.14, 3.3.x before 3.3.14, 3.4.x before 3.4.13, and 3.5.x before 3.5.4, when configured with client-first SSL-bump, do not properly validate the domain or hostname fields of X.509 certificates, which allows man-in-the-middle attackers to spoof SSL servers via a valid certificate.. EPSS estimates a 11.40% chance of exploitation in the next 30 days.

Description

Squid 3.2.x before 3.2.14, 3.3.x before 3.3.14, 3.4.x before 3.4.13, and 3.5.x before 3.5.4, when configured with client-first SSL-bump, do not properly validate the domain or hostname fields of X.509 certificates, which allows man-in-the-middle attackers to spoof SSL servers via a valid certificate.

Metrics

EPSS Probability
11.40%

95.4th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

VendorProductVersions
OracleLinux7
OracleSolaris11.2
Squid-CacheSquid3.2.0.1
Squid-CacheSquid3.2.0.2
Squid-CacheSquid3.2.0.3
Squid-CacheSquid3.2.0.4
Squid-CacheSquid3.2.0.5
Squid-CacheSquid3.2.0.6
Squid-CacheSquid3.2.0.7
Squid-CacheSquid3.2.0.8
Squid-CacheSquid3.2.0.9
Squid-CacheSquid3.2.0.10
Squid-CacheSquid3.2.0.11
Squid-CacheSquid3.2.0.12
Squid-CacheSquid3.2.0.13
Squid-CacheSquid3.2.0.14
Squid-CacheSquid3.2.0.15
Squid-CacheSquid3.2.0.16
Squid-CacheSquid3.2.0.17
Squid-CacheSquid3.2.0.18
Squid-CacheSquid3.2.0.19
Squid-CacheSquid3.2.1
Squid-CacheSquid3.2.2
Squid-CacheSquid3.2.3
Squid-CacheSquid3.2.4
Squid-CacheSquid3.2.5
Squid-CacheSquid3.2.6
Squid-CacheSquid3.2.7
Squid-CacheSquid3.2.8
Squid-CacheSquid3.2.9
Squid-CacheSquid3.2.10
Squid-CacheSquid3.2.11
Squid-CacheSquid3.2.12
Squid-CacheSquid3.2.13
Squid-CacheSquid3.3.0
Squid-CacheSquid3.3.0.1
Squid-CacheSquid3.3.0.2
Squid-CacheSquid3.3.0.3
Squid-CacheSquid3.3.1
Squid-CacheSquid3.3.2
Squid-CacheSquid3.3.3
Squid-CacheSquid3.3.4
Squid-CacheSquid3.3.5
Squid-CacheSquid3.3.6
Squid-CacheSquid3.3.7
Squid-CacheSquid3.3.8
Squid-CacheSquid3.3.9
Squid-CacheSquid3.3.10
Squid-CacheSquid3.3.11
Squid-CacheSquid3.3.12

Showing 50 of 73 affected configurations. See NVD for the full list.

References

Timeline

Published
Last Modified
Status
Modified

Frequently Asked Questions

What is CVE-2015-3455?
Squid 3.2.x before 3.2.14, 3.3.x before 3.3.14, 3.4.x before 3.4.13, and 3.5.x before 3.5.4, when configured with client-first SSL-bump, do not properly validate the domain or hostname fields of X.509 certificates, which allows man-in-the-middle attackers to spoof SSL servers via a valid certificate.
How severe is CVE-2015-3455?
Severity scoring for CVE-2015-3455 is pending analysis. The EPSS model estimates a 11.40% probability of exploitation in the next 30 days.
How do I fix CVE-2015-3455?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2015-3455?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST