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CVE-2008-2377

7.6 · HIGH

Use-after-free vulnerability in the _gnutls_handshake_hash_buffers_clear function in lib/gnutls_handshake.c in libgnutls in GnuTLS 2.3.5 through 2.4.0 allows remote attackers to cause a denial of s…

Published Aug 8, 2008gnuCWE-119EPSS 5.46%

Overview

CVE-2008-2377 is a high-severity vulnerability affecting gnu gnutls. It was published on August 8, 2008 and has a CVSS 2.0 base score of 7.6 (HIGH).

This vulnerability has a CVSS 2.0 base score of 7.6, rated HIGH. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

Technical description

Use-after-free vulnerability in the _gnutls_handshake_hash_buffers_clear function in lib/gnutls_handshake.c in libgnutls in GnuTLS 2.3.5 through 2.4.0 allows remote attackers to cause a denial of service (crash) or possibly execute arbitrary code via TLS transmission of data that is improperly used when the peer calls gnutls_handshake within a normal session, leading to attempted access to a deallocated libgcrypt handle.

Remediation

Check the references section for vendor advisories and patches from gnu. Update gnutls to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

Affected products

VendorProductVersionsStatus

References

Refarticle.gmane.org/gmane.comp.encryption.gpg.gnutls.devel/2947Refsecunia.com/advisories/31505Refwww.gnu.org/software/gnutls/security.htmlRefwww.nabble.com/Details-on-the-gnutls_handshake-local-crash-problem--GNUTLS-SA-2008-2--td18205022.htmlRefwww.securityfocus.com/bid/30713Refwww.vupen.com/english/advisories/2008/2398Refexchange.xforce.ibmcloud.com/vulnerabilities/44486Refissues.rpath.com/browse/RPL-2650Refarticle.gmane.org/gmane.comp.encryption.gpg.gnutls.devel/2947Refsecunia.com/advisories/31505

How CyberStrike helps

Frequently asked questions

What is CVE-2008-2377?

CVE-2008-2377 is a high-severity vulnerability affecting gnu gnutls. It was published on August 8, 2008 and has a CVSS 2.0 base score of 7.6 (HIGH).

How severe is CVE-2008-2377?

This vulnerability has a CVSS 2.0 base score of 7.6, rated HIGH. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

How do I fix or remediate CVE-2008-2377?

Check the references section for vendor advisories and patches from gnu. Update gnutls to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

How can CyberStrike help with CVE-2008-2377?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2008-2377 is actually reachable in your own applications and APIs, then verifies each finding before reporting it. That tells you if the weakness is a real, exploitable risk in your environment or a false positive you can safely deprioritize.

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