CVE-2007-6721
published 2009-03-30CVE-2007-6721: The Legion of the Bouncy Castle Java Cryptography API before release 1.38, as used in Crypto Provider Package before 1.36, has unknown impact and remote attack…
PriorityP335critical10CVSS 2.0
AVNACLAuNCCICAC
EPSS
2.41%
82.3th percentile
The Legion of the Bouncy Castle Java Cryptography API before release 1.38, as used in Crypto Provider Package before 1.36, has unknown impact and remote attack vectors related to "a Bleichenbacher vulnerability in simple RSA CMS signatures without signed attributes."
Affected
73 ranges· showing 25
| Vendor | Product | Version range | Fixed in |
|---|---|---|---|
| bouncycastle | bc-java | <= 1.37 | — |
| bouncycastle | bc-java | — | — |
| bouncycastle | bc-java | — | — |
| bouncycastle | bc-java | — | — |
| bouncycastle | bc-java | — | — |
| bouncycastle | bc-java | — | — |
| bouncycastle | bc-java | — | — |
| bouncycastle | bc-java | — | — |
| bouncycastle | bc-java | — | — |
| bouncycastle | bc-java | — | — |
| bouncycastle | bc-java | — | — |
| bouncycastle | bc-java | — | — |
| bouncycastle | bc-java | — | — |
| bouncycastle | bc-java | — | — |
| bouncycastle | bc-java | — | — |
| bouncycastle | bc-java | — | — |
| bouncycastle | bc-java | — | — |
| bouncycastle | bc-java | — | — |
| bouncycastle | bc-java | — | — |
| bouncycastle | bc-java | — | — |
| bouncycastle | bc-java | — | — |
| bouncycastle | bc-java | — | — |
| bouncycastle | bc-java | — | — |
| bouncycastle | bc-java | — | — |
| bouncycastle | bc-java | — | — |
CVSS provenance
nvdv2.010.0CRITICALAV:N/AC:L/Au:N/C:C/I:C/A:C
osv10.0CRITICAL
vendor_debian10.0CRITICAL
vendor_redhat10.0CRITICAL
Stop checking back — get the weekly exploitation signal.
Every Monday: what got weaponized or added to CISA KEV in the last seven days — each CVE cross-linked to its PoC, Nuclei template, and detection rule. Free, one email a week, unsubscribe in one click.
Red Hat
bouncycastle: unknown vulnerability in simple RSA CMS signatures
vendor_redhat·2007-11-07·CVSS 10.0
CVE-2007-6721 [CRITICAL] bouncycastle: unknown vulnerability in simple RSA CMS signatures
bouncycastle: unknown vulnerability in simple RSA CMS signatures
The Legion of the Bouncy Castle Java Cryptography API before release 1.38, as used in Crypto Provider Package before 1.36, has unknown impact and remote attack vectors related to "a Bleichenbacher vulnerability in simple RSA CMS signatures without signed attributes."
Debian
CVE-2007-6721: bouncycastle - The Legion of the Bouncy Castle Java Cryptography API before release 1.38, as us...
vendor_debian·2007·CVSS 10.0
CVE-2007-6721 [CRITICAL] CVE-2007-6721: bouncycastle - The Legion of the Bouncy Castle Java Cryptography API before release 1.38, as us...
The Legion of the Bouncy Castle Java Cryptography API before release 1.38, as used in Crypto Provider Package before 1.36, has unknown impact and remote attack vectors related to "a Bleichenbacher vulnerability in simple RSA CMS signatures without signed attributes."
Scope: local
bookworm: resolved (fixed in 1.38-1)
bullseye: resolved (fixed in 1.38-1)
forky: resolved (fixed in 1.38-1)
sid: resolved (fixed in 1.38-1)
trixie: resolved (fixed in 1.38-1)
OSV
Legion of the Bouncy Castle Java Cryptography API Bleichenbacher Oracle Vulnerability
osv·2022-05-01
CVE-2007-6721 [HIGH] Legion of the Bouncy Castle Java Cryptography API Bleichenbacher Oracle Vulnerability
Legion of the Bouncy Castle Java Cryptography API Bleichenbacher Oracle Vulnerability
The Legion of the Bouncy Castle Java Cryptography API before release 1.38, as used in Crypto Provider Package before 1.36, has unknown impact and remote attack vectors related to "a Bleichenbacher vulnerability in simple RSA CMS signatures without signed attributes."
GHSA
Legion of the Bouncy Castle Java Cryptography API Bleichenbacher Oracle Vulnerability
ghsa·2022-05-01
CVE-2007-6721 [HIGH] CWE-203 Legion of the Bouncy Castle Java Cryptography API Bleichenbacher Oracle Vulnerability
Legion of the Bouncy Castle Java Cryptography API Bleichenbacher Oracle Vulnerability
The Legion of the Bouncy Castle Java Cryptography API before release 1.38, as used in Crypto Provider Package before 1.36, has unknown impact and remote attack vectors related to "a Bleichenbacher vulnerability in simple RSA CMS signatures without signed attributes."
OSV
CVE-2007-6721: The Legion of the Bouncy Castle Java Cryptography API before release 1
osv·2009-03-30·CVSS 10.0
CVE-2007-6721 [CRITICAL] CVE-2007-6721: The Legion of the Bouncy Castle Java Cryptography API before release 1
The Legion of the Bouncy Castle Java Cryptography API before release 1.38, as used in Crypto Provider Package before 1.36, has unknown impact and remote attack vectors related to "a Bleichenbacher vulnerability in simple RSA CMS signatures without signed attributes."
No detection rules found.
Exploit-DB
Microsoft Office 2007 - BIFFRecord Length Use-After-Free
exploitdb·2015-09-16
CVE-2015-2520 Microsoft Office 2007 - BIFFRecord Length Use-After-Free
Microsoft Office 2007 - BIFFRecord Length Use-After-Free
---
Source: https://code.google.com/p/google-security-research/issues/detail?id=464
The following crash was observed in Microsoft Office 2007 with Microsoft Office File Validation Add-In disabled and Application Verifier enabled for testing and reproduction. This bug did not reproduce in Office 2010 or 2013.
Attached files:
Original File: 1105668828_orig.xls
Crashing File: 1105668828_crash.xls
Minimized Crashing File: 1105668828_min.xls
The minimized crashing file shows two one bit deltas from the original file. The first delta at offset 0x1CF7E and the second is at offset 0x3A966. Both of these offset appear to be BIFFRecord lengths.
File Versions:
Excel.exe: 12.0.6718.5000
MSO.dll: 12.0.6721.5000
Observed Crash:
eax=0000000
Exploit-DB
Microsoft Office 2007 - OLESSDirectyEntry.CreateTime Type Confusion
exploitdb·2015-09-16
CVE-2015-2521 Microsoft Office 2007 - OLESSDirectyEntry.CreateTime Type Confusion
Microsoft Office 2007 - OLESSDirectyEntry.CreateTime Type Confusion
---
Source: https://code.google.com/p/google-security-research/issues/detail?id=465
The following crash was observed in Microsoft Office 2007 with Microsoft Office File Validation Add-In disabled and Application Verifier enabled for testing and reproduction. This bug did not reproduce in Office 2010 or 2013.
Attached files:
Original File: 1516065514_orig.xls
Crashing File: 1516065514_crash.xls
Minimized Crashing File: 1516065514_min.xls
The minimized crashing file shows a one bit deltas from the original file at offset 0x49E8. OffVis reports this to be the CreateTime field of an OLESSDirectoryEntry structure.
File Versions:
Excel.exe: 12.0.6718.5000
MSO.dll: 12.0.6721.5000
Observed Crash:
When run without Applicati
http://freshmeat.net/projects/bouncycastlecryptoapi/releases/265580http://www.bouncycastle.org/csharp/http://www.bouncycastle.org/devmailarchive/msg08195.htmlhttp://www.bouncycastle.org/releasenotes.htmlhttp://www.osvdb.org/50358http://www.osvdb.org/50359http://www.osvdb.org/50360http://freshmeat.net/projects/bouncycastlecryptoapi/releases/265580http://www.bouncycastle.org/csharp/http://www.bouncycastle.org/devmailarchive/msg08195.htmlhttp://www.bouncycastle.org/releasenotes.htmlhttp://www.osvdb.org/50358http://www.osvdb.org/50359http://www.osvdb.org/50360
2009-03-30
Published