SARA / Free Tools / CVE / CVE-2018-1172

CVE-2018-1172 — This vulnerability allows remote attackers to deny service on vulnerable install

This vulnerability allows remote attackers to deny service on vulnerable installations of The Squid Software Foundation Squid 3.5.27-20180318. Authentication is not required to exploit this vulnerability. The specific flaw exists within ClientRequestContext::sslBumpAccessCheck().

CVSS
— —
EPSS
8.73% (top 7.60%)
CWE
CWE-476
Published
2018-05-16T21:00:00.000Z
Last modified
2024-08-05T03:51:48.966Z
CVSS vector
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01What is this vulnerability?

This vulnerability allows remote attackers to deny service on vulnerable installations of The Squid Software Foundation Squid 3.5.27-20180318. Authentication is not required to exploit this vulnerability. The specific flaw exists within ClientRequestContext::sslBumpAccessCheck(). A crafted request can trigger the dereference of a null pointer. An attacker can leverage this vulnerability to create…

02Affected products

VendorProductVersions
The Squid Software FoundationThe Squid Software Foundation Squid3.5.27-20180318

03Active exploitation status

Not currently listed on the CISA Known Exploited Vulnerabilities (KEV) catalog. EPSS is the best forward-looking signal — see the EPSS row above.

04Recommended remediation

05Technical details

For the full vendor write-up, exploit chains, and reference implementations, see the references list in section 09.

06Detection signatures

Ask SARA in chat to draft a starting detection for this CVE in your stack of choice.

07Related CVEs

No directly-cited follow-up CVEs in the KB record for this advisory. The references list in section 09 carries the vendor cross-references.

08Timeline

09References

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