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CVE detail

CVE-2022-3602

A buffer overrun can be triggered in X.509 certificate verification, specifically in name constraint checking. Note that this occurs after certificate chain signature verification and requires either a CA to have signed the malicious certificate or for the application to continue certificate verification despite failure to construct a path to a trusted issuer. An attacker can craft a malicious email address to overflow four attacker-controlled bytes on the stack. This buffer overflow could result in a crash (causing a denial of service) or potentially remote code execution. Many platforms implement stack overflow protections which would mitigate against the risk of remote code execution. The risk may be further mitigated based on stack layout for any given platform/compiler. Pre-announcements of CVE-2022-3602 described this issue as CRITICAL. Further analysis based on some of the mitigating factors described above have led this to be downgraded to HIGH. Users are still encouraged to upgrade to a new version as soon as possible. In a TLS client, this can be triggered by connecting to a malicious server. In a TLS server, this can be triggered if the server requests client authentication and a malicious client connects. Fixed in OpenSSL 3.0.7 (Affected 3.0.0,3.0.1,3.0.2,3.0.3,3.0.4,3.0.5,3.0.6).

CVSS 7.5 · HighBuzz score 43.7

Buzz score

Why this CVE is surfacing

Buzz score total 43.7

This all-time snapshot uses the same composite formula as Trending across a 30-year evidence window, rather than a current rolling window.

Buzz score components · mention 27.7 · diversity 16.0 · KEV 0.0 · OTX 0.0 · PoC 0.0
Mention score
27.7
15 evidence mentions in the snapshot
Diversity score
16.0
6 sources across 2 categories
KEV score
0.0
No KEV entry observed
OTX score
0.0
0 OTX pulses
PoC score
0.0
0 repos · best confidence N/A
Best PoC traction
0
Maximum stars on a matched PoC repo

Why it matters now

Mention timeline

Total mentions
0
within the 30d window
Peak daily
0
highest bucket

Evidence

Source links by recency

Newest mentions first
15 source links · newest first
  • OpenSSL patched the vulnerability CVE-2024-12797, a high-severity flaw found by Apple that enables man-in-the-middle attacks. The OpenSSL Project addressed a high-severity vulnerability, tracked as CVE-2024-12797, in its secure communications library. The OpenSSL software library allows secure communications over computer networks against eavesdropping or need to identify the party at the other end. OpenSSL contains an open-source implementation […]

    newssecurityaffairs.comFeb 11, 2025, 9:33 PM
  • Google sprinkles magic of generative-AI into its open source fuzz testing infrastructure and finds immediate success with code coverage.

    newswww.securityweek.comAug 17, 2023, 4:55 PM
  • The supply chain threat is directly linked to attack surface management, but the supply chain must be known and understood before it can be remediated.

    newswww.securityweek.comFeb 2, 2023, 12:00 PM
  • Industrial giants Siemens and Schneider Electric have addressed over 140 vulnerabilities with their December 2022 Patch Tuesday updates. Siemens

    newswww.securityweek.comDec 14, 2022, 9:48 AM
  • 7th November– Threat Intelligence ReportCheck Point Research

    For the latest discoveries in cyber research for the week of 7th November, please download our Threat Intelligence Bulletin. Top Attacks and Breaches Two European automotive companies were hit by ransomware – The German multinational group Continental was hit by LockBit ransomware gang and the breached data has been published on Lockbit’s leak site. Italian […]

    vendorresearch.checkpoint.comNov 7, 2022, 2:53 PM
  • 7th November– Threat Intelligence ReportCheck Point Research

    For the latest discoveries in cyber research for the week of 7th November, please download our Threat Intelligence Bulletin. Top Attacks and Breaches Two European automotive companies were hit by ransomware – The German multinational group Continental was hit by LockBit ransomware gang and the breached data has been published on Lockbit’s leak site. Italian company Landi Renzo […]

    vendorresearch.checkpoint.comNov 7, 2022, 9:34 AM
  • Here’s an overview of some of last week’s most interesting news, articles, interviews and videos: ConnectWise backup solutions open to RCE, patch ASAP! ConnectWise has fixed a critical vulnerability in ConnectWise Recover and R1Soft Server Backup Manager that could allow attackers to achieve remote code exection (RCE) or access confidential data. Instagram account suspension wave hits users Many Instagram users were faced with an alarming message when they tried to use the service. By following … More →

    newswww.helpnetsecurity.comNov 6, 2022, 9:00 AM
  • October 2022 Patch Tuesday was a little unusual last month, as it ‘kind of’ repeated itself the following week. Microsoft turned around and released a series of non-security updates that fixed some discovered connections issues – forcing many to conduct another unplanned patch cycle. They also left several zero-day vulnerabilities unresolved keeping us wondering when these open items will be resolved. November could be an important Patch Tuesday to wrap up these loose ends. OpenSSL … More →

    newswww.helpnetsecurity.comNov 4, 2022, 6:25 AM
  • Cisco addressed multiple flaws impacting its products, including high-severity issues in identity, email, and web security solutions. Cisco addressed multiple vulnerabilities impacting some of its products, including high-severity flaws in identity, email, and web security products. The most severe vulnerability addressed by the IT giant is a cross-site request forgery (CSRF) flaw, tracked as CVE-2022-20961 […]

    newssecurityaffairs.comNov 4, 2022, 6:13 AM
  • Cisco this week announced the release of patches for multiple vulnerabilities across its product portfolio, including high-severity defects in identity, email, and web security products.

    newswww.securityweek.comNov 3, 2022, 2:41 PM
  • OpenSSL released a security advisory describing two high severity vulnerabilities within the OpenSSL library (CVE-2022-3786 and CVE-2022-3602).

    vendorunit42.paloaltonetworks.comNov 3, 2022, 1:00 AM
  • OpenSSL fixed two high-severity vulnerabilitiesSecurity Affairs

    The OpenSSL project fixed two high-severity flaws in its cryptography library that can trigger a DoS condition or achieve remote code execution. The OpenSSL project has issued security updates to address a couple of high-severity vulnerabilities, tracked as CVE-2022-3602 and CVE-2022-3786, in its cryptography library. The flaws impact versions 3.0.0 through 3.0.6 of the library. The OpenSSL software […]

    newssecurityaffairs.comNov 2, 2022, 8:33 AM
  • The OpenSSL project released a patch for two high severity vulnerabilities in the world’s most widely used cryptographic library. The project’s maintainers warned users since last week to prepare for a critical patch on November 1, but the severity has since been downgraded following additional testing. Organizations should still determine which of their applications and […]

    newswww.csoonline.comNov 1, 2022, 7:46 PM
  • Version 3.0.7 of the popular OpenSSL cryptographic library is out, with fixes for CVE-2022-3602 and CVE-2022-3786, two high-severity buffer overflow vulnerabilities in the punycode decoder that could lead to crashes (i.e., denial of service) or potentially remote code execution. CVE-2022-3602, whose existence was preannounced by the OpenSSL Project team a week ago, has luckily turned out to be less dangerous than initially thought. So the much feared *Critical* #OpenSSL turns out to be "just" a … More →

    newswww.helpnetsecurity.comNov 1, 2022, 5:36 PM
  • The OpenSSL Project on Tuesday announced the release of OpenSSL 3.0.7. Everyone was anxiously awaiting to learn the details of the first critical vulnerability discovered since 2016, but the project’s developers decided to downgrade the flaw’s severity rating. The OpenSSL Project revealed last week that an update for OpenSSL 3.0 would address a critical vulnerability . That flaw is tracked as CVE-2022-3602 and it has been described as a buffer overrun that can be triggered in X.509 certificate verification. Exploitation of the flaw could lead to a denial-of-service (DoS) condition caused by a crash, or even remote code execution. “An attacker can craft a malicious email address to overflow four attacker-controlled bytes on the stack,” explains the advisory for CVE-2022-3602 . The advisory adds, “In a TLS client, this can be triggered by connecting to a malicious server. In a TLS server, this can be triggered if the server requests client authentication and a malicious client connects.…

    newswww.securityweek.comNov 1, 2022, 4:43 PM

Exploit code

Public exploit repository references

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