CVE-2009-1415 EXPLOIT
4.3
MEDIUM · CVSS 2.0 · EPSS 7.9% (pctl 95)
Patch early
A public exploit exists.
Description
lib/pk-libgcrypt.c in libgnutls in GnuTLS before 2.6.6 does not properly handle invalid DSA signatures, which allows remote attackers to cause a denial of service (application crash) and possibly have unspecified other impact via a malformed DSA key that triggers a (1) free of an uninitialized pointer or (2) double free.
Scoring
| CVSS | 4.3 (MEDIUM, v2.0) |
|---|---|
| Vector | AV:N/AC:M/Au:N/C:N/I:N/A:P |
| EPSS | 7.92% — more likely to be exploited than 95% of all CVEs |
| Weakness | CWE-824 |
| On CISA KEV | no |
| Public exploit | yes |
| Published | 2009-04-30 |
| Last modified | 2026-06-16 |
Affected (1)
| Vendor | Product |
|---|---|
| gnu | gnutls |
Public exploits
| Source | Title | Date |
|---|---|---|
| exploit-db | GnuTLS 2.6.x - libgnutls lib/pk-libgcrypt.c Malformed DSA Key Handling Remote Denial of Service | 2009-04-30 |
References
- http://article.gmane.org/gmane.comp.encryption.gpg.gnutls.devel/3515
- http://permalink.gmane.org/gmane.comp.encryption.gpg.gnutls.devel/3502
- http://secunia.com/advisories/34842
- http://secunia.com/advisories/35211
- http://security.gentoo.org/glsa/glsa-200905-04.xml
- http://thread.gmane.org/gmane.comp.encryption.gpg.gnutls.devel/3488
- http://www.mandriva.com/security/advisories?name=MDVSA-2009:116
- http://www.securityfocus.com/bid/34783
- http://www.securitytracker.com/id?1022157
- http://www.vupen.com/english/advisories/2009/1218
- https://exchange.xforce.ibmcloud.com/vulnerabilities/50257
- https://exchange.xforce.ibmcloud.com/vulnerabilities/50260
- https://exchange.xforce.ibmcloud.com/vulnerabilities/50445
- http://article.gmane.org/gmane.comp.encryption.gpg.gnutls.devel/3515
- http://permalink.gmane.org/gmane.comp.encryption.gpg.gnutls.devel/3502
- http://secunia.com/advisories/34842
- http://secunia.com/advisories/35211
- http://security.gentoo.org/glsa/glsa-200905-04.xml
- http://thread.gmane.org/gmane.comp.encryption.gpg.gnutls.devel/3488
- http://www.mandriva.com/security/advisories?name=MDVSA-2009:116
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