Stack-Based Buffer Overflow in GnuTLS Product
CVE-2017-5336

9.8CRITICAL

Key Information:

Vendor

Opensuse
Status
Leap
Vendor
CVE Published:
24 March 2017

What is CVE-2017-5336?

A stack-based buffer overflow flaw exists in the cdk_pk_get_keyid function within the GnuTLS library, specifically in the file lib/opencdk/pubkey.c. This issue affects versions prior to 3.3.26 and 3.5.x before 3.5.8, potentially allowing a remote attacker to exploit a crafted OpenPGP certificate to execute arbitrary code or trigger undefined behavior.

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References

https://gitlab.com/gnutls/gnutls/commit/5140422e0d7319a8e...
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http://www.securityfocus.com/bid/95377
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http://www.openwall.com/lists/oss-security/2017/01/10/7
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CVSS V3.1

Score:
9.8
Severity:
CRITICAL
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

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