CVE-2009-1391
High PUBLISHEDOff-by-one error in the inflate function in Zlib.xs in Compress::Raw::Zlib Perl module before 2.017, as used in AMaViS, SpamAssassin, and possibly...
Not yet in CISA KEV
Recommended Action
Prioritize remediation. Validate affected assets and apply vendor fixes on an accelerated timeline.
At a Glance
Off-by-one error in the inflate function in Zlib.xs in Compress::Raw::Zlib Perl module before 2.017, as used in AMaViS, SpamAssassin, and possibly other products, allows context-dependent attackers to cause a denial of service (hang or crash) via a crafted zlib compressed stream that triggers a heap-based buffer overflow, as exploited in the wild by Trojan.Downloader-71014 in June 2009.
- CVE Published
- Jun 16, 2009
- Exploitation Reported
- Jun 16, 2009
- CVSS
- 6.8 Medium
- EPSS
- —
Affected Versions
| Vendor | Product | Version | Status |
|---|---|---|---|
| n/a |
n/a
|
n/a |
Affected |
CVE References
- USN-794-1 usn.ubuntu.com · Vendor Advisory https://usn.ubuntu.com/794-1/
- MDVSA-2009:157 mandriva.com · Vendor Advisory http://www.mandriva.com/security/advisories?name=MDVSA-2009:157
- GLSA-200908-07 security.gentoo.org · Vendor Advisory http://security.gentoo.org/glsa/glsa-200908-07.xml
- SUSE-SR:2009:012 lists.opensuse.org · Vendor Advisory http://lists.opensuse.org/opensuse-security-announce/2009-07/msg00002...
- FEDORA-2009-7680 redhat.com · Vendor Advisory https://www.redhat.com/archives/fedora-package-announce/2009-July/msg...
Show 13 more references
- 35685 secunia.com · Third-Party Advisory http://secunia.com/advisories/35685
- 35689 secunia.com · Third-Party Advisory http://secunia.com/advisories/35689
- 35422 secunia.com · Third-Party Advisory http://secunia.com/advisories/35422
- 35876 secunia.com · Third-Party Advisory http://secunia.com/advisories/35876
- perl-compressrawzlib-inflate-bo(51062) exchange.xforce.ibmcloud.com · VDB Entry https://exchange.xforce.ibmcloud.com/vulnerabilities/51062
- 35307 securityfocus.com · VDB Entry http://www.securityfocus.com/bid/35307
- ADV-2009-1571 vupen.com · VDB Entry http://www.vupen.com/english/advisories/2009/1571
- 55041 osvdb.org · VDB Entry http://osvdb.org/55041
- article.gmane.org/gmane.mail.virus.amavis.user/33635 article.gmane.org · CVE Record http://article.gmane.org/gmane.mail.virus.amavis.user/33635
- thread.gmane.org/gmane.mail.virus.amavis.user/33635 thread.gmane.org · CVE Record http://thread.gmane.org/gmane.mail.virus.amavis.user/33635
- bugs.gentoo.org/show_bug.cgi bugs.gentoo.org · CVE Record https://bugs.gentoo.org/show_bug.cgi?id=273141
- bugzilla.redhat.com/show_bug.cgi bugzilla.redhat.com · CVE Record https://bugzilla.redhat.com/show_bug.cgi?id=504386
- article.gmane.org/gmane.mail.virus.amavis.user/33638 article.gmane.org · CVE Record http://article.gmane.org/gmane.mail.virus.amavis.user/33638
Recommended Actions
- Prioritize remediation. Validate affected assets and apply vendor fixes on an accelerated timeline.
- Use the Pro API to automate enrichment, telemetry, and workflow delivery for VM, SOC, and CTI pipelines.
Known Exploited Vulnerability Sources
Catalogues that list this CVE as a known exploited vulnerability.
Per-source evidence links for KEV attestations are available through the KEVIntel Pro API.
Learn about Pro API access| Source | Added |
|---|---|
| CVE First | 2009-06-16 23:00 UTC |
No detection artifacts or sensor request patterns are available for this CVE yet.
Check back as sensor telemetry and scanner integrations are updated.
Virtual Patch
Compensating WAF rules to help reduce exposure to this CVE. Rule content and deployable vendor exports are available with KEVIntel Enterprise.
KEVIntel does not currently have a virtual patch for this CVE. When available, KEVIntel virtual patches ship as deployable ModSecurity, Cloudflare, and AWS WAF rules.
Enterprise feature. Virtual patch rule content and deployable vendor exports (ModSecurity, Cloudflare, AWS WAF) are available to KEVIntel Enterprise users.
CVSS Scores
AV:N/AC:M/Au:N/C:P/I:P/A:P
Exploitation Status
Exploited in the wild
Recorded 2009-06-16 23:00:00 UTC · CVE
Timeline
Key exploitation, disclosure, scanner coverage, and KEV attestation events for this CVE.
-
23:00 UTC about 17 years ago23:00 UTC · about 17 years ago
Added to KEVIntel KEV Feed
High-confidence, third-party attested exploitation
-
23:00 UTC about 17 years ago23:00 UTC · about 17 years ago
CVE published
Vulnerability disclosed publicly
-
00:00 UTC about 17 years ago00:00 UTC · about 17 years ago
CVE ID reserved
Identifier reserved by the CNA
Automate This Intelligence with the Pro API
Confidence scoring, exploit status, sensor telemetry, PoCs, scanner integrations, mentions, and tags are available programmatically for VM, SOC, and CTI workflows.
Pro API Example
GET /api/v2/pro/kevs/CVE-2009-1391
{
"cve_id": "CVE-2009-1391",
"title": "Off-by-one error in the inflate function in Zlib.xs in Compress::Raw::Zlib Pe...",
"affected_vendor": "Perl",
"affected_product": "Compress::Raw::Zlib",
"affected_versions": [
{ "vendor": "...", "product": "...", "status": "affected", "display_label": "..." }
],
"confidence": "High",
"cvss_score": 6.8,
"epss_score": null,
"exploit_status": {
"exploited_in_the_wild": true,
"active_exploitation_observed": false
},
"sensor_telemetry": { "...": "Pro API fields" },
"proof_of_concepts": [ "..." ],
"scanner_integrations": [ "..." ]
}