// For flags

CVE-2009-1956

apr-util single NULL byte buffer overflow

Severity Score

6.4
*CVSS v2

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

2
*Multiple Sources

Exploited in Wild

-
*KEV

Decision

-
*SSVC
Descriptions

Off-by-one error in the apr_brigade_vprintf function in Apache APR-util before 1.3.5 on big-endian platforms allows remote attackers to obtain sensitive information or cause a denial of service (application crash) via crafted input.

Error de superación de límite (off-by-one) en la función apr_brigade_vprintf de Apache APR-util anterior a v1.3.5 en plataformas big-endian, permite a atacantes remotos obtener información sensible o provocar una denegación de servicio (caída de la aplicación) a través de una entrada manipulada.

*Credits: N/A
CVSS Scores
Attack Vector
Network
Attack Complexity
Low
Authentication
None
Confidentiality
Partial
Integrity
None
Availability
Partial
Attack Vector
Network
Attack Complexity
Medium
Authentication
None
Confidentiality
Partial
Integrity
None
Availability
None
* Common Vulnerability Scoring System
SSVC
  • Decision:-
Exploitation
-
Automatable
-
Tech. Impact
-
* Organization's Worst-case Scenario
Timeline
  • 2009-06-06 CVE Reserved
  • 2009-06-06 CVE Published
  • 2024-05-13 EPSS Updated
  • 2024-08-07 CVE Updated
  • 2024-08-07 First Exploit
  • ---------- Exploited in Wild
  • ---------- KEV Due Date
CWE
  • CWE-189: Numeric Errors
CAPEC
References (50)
URL Tag Source
http://secunia.com/advisories/34724 Broken Link
http://secunia.com/advisories/35284 Broken Link
http://secunia.com/advisories/35395 Broken Link
http://secunia.com/advisories/35487 Broken Link
http://secunia.com/advisories/35565 Broken Link
http://secunia.com/advisories/35710 Broken Link
http://secunia.com/advisories/35797 Broken Link
http://secunia.com/advisories/35843 Broken Link
http://secunia.com/advisories/37221 Broken Link
http://support.apple.com/kb/HT3937 Third Party Advisory
http://www-01.ibm.com/support/docview.wss?uid=swg27014463 Third Party Advisory
http://www.mail-archive.com/dev%40apr.apache.org/msg21591.html Mailing List
http://www.mail-archive.com/dev%40apr.apache.org/msg21592.html Mailing List
http://www.oracle.com/technetwork/topics/security/cpuapr2013-1899555.html Third Party Advisory
http://www.securityfocus.com/bid/35251 Third Party Advisory
https://lists.apache.org/thread.html/8d63cb8e9100f28a99429b4328e4e7cebce861d5772ac9863ba2ae6f%40%3Ccvs.httpd.apache.org%3E Mailing List
https://lists.apache.org/thread.html/f7f95ac1cd9895db2714fa3ebaa0b94d0c6df360f742a40951384a53%40%3Ccvs.httpd.apache.org%3E Mailing List
https://lists.apache.org/thread.html/r2295080a257bad27ea68ca0af12fc715577f9e84801eae116a33107e%40%3Ccvs.httpd.apache.org%3E Mailing List
https://lists.apache.org/thread.html/r57608dc51b79102f3952ae06f54d5277b649c86d6533dcd6a7d201f7%40%3Ccvs.httpd.apache.org%3E Mailing List
https://lists.apache.org/thread.html/r75cbe9ea3e2114e4271bbeca7aff96117b50c1b6eb7c4772b0337c1f%40%3Ccvs.httpd.apache.org%3E Mailing List
https://lists.apache.org/thread.html/r9ea3538f229874c80a10af473856a81fbf5f694cd7f471cc679ba70b%40%3Ccvs.httpd.apache.org%3E Mailing List
https://lists.apache.org/thread.html/r9f93cf6dde308d42a9c807784e8102600d0397f5f834890708bf6920%40%3Ccvs.httpd.apache.org%3E Mailing List
https://lists.apache.org/thread.html/rad01d817195e6cc871cb1d73b207ca326379a20a6e7f30febaf56d24%40%3Ccvs.httpd.apache.org%3E Mailing List
https://lists.apache.org/thread.html/rad2acee3ab838b52c04a0698b1728a9a43467bf365bd481c993c535d%40%3Ccvs.httpd.apache.org%3E Mailing List
https://lists.apache.org/thread.html/rdca61ae990660bacb682295f2a09d34612b7bb5f457577fe17f4d064%40%3Ccvs.httpd.apache.org%3E Mailing List
https://lists.apache.org/thread.html/reb7c64aeea604bf948467d9d1cab8ff23fa7d002be1964bcc275aae7%40%3Ccvs.httpd.apache.org%3E Mailing List
https://lists.apache.org/thread.html/rf6449464fd8b7437704c55f88361b66f12d5b5f90bcce66af4be4ba9%40%3Ccvs.httpd.apache.org%3E Mailing List
https://lists.apache.org/thread.html/rfbaf647d52c1cb843e726a0933f156366a806cead84fbd430951591b%40%3Ccvs.httpd.apache.org%3E Mailing List
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A11567 Signature
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A12237 Signature
URL Date SRC
http://www.openwall.com/lists/oss-security/2009/06/06/1 2024-08-07
https://bugzilla.redhat.com/show_bug.cgi?id=504390 2024-08-07
URL Date SRC
http://svn.apache.org/viewvc?view=rev&revision=768417 2023-11-07
URL Date SRC
http://lists.apple.com/archives/security-announce/2009/Nov/msg00000.html 2023-11-07
http://marc.info/?l=bugtraq&m=129190899612998&w=2 2023-11-07
http://security.gentoo.org/glsa/glsa-200907-03.xml 2023-11-07
http://www-01.ibm.com/support/docview.wss?uid=swg1PK88341 2023-11-07
http://www-01.ibm.com/support/docview.wss?uid=swg1PK91241 2023-11-07
http://www-01.ibm.com/support/docview.wss?uid=swg1PK99478 2023-11-07
http://www.apache.org/dist/apr/CHANGES-APR-UTIL-1.3 2023-11-07
http://www.mandriva.com/security/advisories?name=MDVSA-2009:131 2023-11-07
http://www.mandriva.com/security/advisories?name=MDVSA-2013:150 2023-11-07
http://www.redhat.com/support/errata/RHSA-2009-1107.html 2023-11-07
http://www.redhat.com/support/errata/RHSA-2009-1108.html 2023-11-07
http://www.ubuntu.com/usn/usn-786-1 2023-11-07
http://www.ubuntu.com/usn/usn-787-1 2023-11-07
https://www.redhat.com/archives/fedora-package-announce/2009-June/msg01173.html 2023-11-07
https://www.redhat.com/archives/fedora-package-announce/2009-June/msg01201.html 2023-11-07
https://www.redhat.com/archives/fedora-package-announce/2009-June/msg01228.html 2023-11-07
https://access.redhat.com/security/cve/CVE-2009-1956 2010-08-04
Affected Vendors, Products, and Versions
Vendor Product Version Other Status
Vendor Product Version Other Status <-- --> Vendor Product Version Other Status
Apache
Search vendor "Apache"
 Apr-util
Search vendor "Apache" for product "Apr-util"
 <= 1.3.4
Search vendor "Apache" for product "Apr-util" and version " <= 1.3.4"
-
Affected
Apache
Search vendor "Apache"
 Http Server
Search vendor "Apache" for product "Http Server"
 >= 2.2.0 < 2.2.12
Search vendor "Apache" for product "Http Server" and version " >= 2.2.0 < 2.2.12"
-
Affected
Canonical
Search vendor "Canonical"
 Ubuntu Linux
Search vendor "Canonical" for product "Ubuntu Linux"
 6.06
Search vendor "Canonical" for product "Ubuntu Linux" and version "6.06"
-
Affected
Canonical
Search vendor "Canonical"
 Ubuntu Linux
Search vendor "Canonical" for product "Ubuntu Linux"
 8.04
Search vendor "Canonical" for product "Ubuntu Linux" and version "8.04"
-
Affected
Canonical
Search vendor "Canonical"
 Ubuntu Linux
Search vendor "Canonical" for product "Ubuntu Linux"
 8.10
Search vendor "Canonical" for product "Ubuntu Linux" and version "8.10"
-
Affected
Canonical
Search vendor "Canonical"
 Ubuntu Linux
Search vendor "Canonical" for product "Ubuntu Linux"
 9.04
Search vendor "Canonical" for product "Ubuntu Linux" and version "9.04"
-
Affected