VulnerabilityModified
CVE-2011-2516
Off-by-one error in the XML signature feature in Apache XML Security for C++ 1.6.0, as used in Shibboleth before 2.4.3 and possibly other products, allows remote attackers to cause a denial of service (crash) via a signature using a large RSA key, which…
MEDIUM 5.0EPSS 7.72%
Does this matter?
Lower severity and a low EPSS score (7.72%). Track it; it rarely justifies an emergency change on its own.
Description
Off-by-one error in the XML signature feature in Apache XML Security for C++ 1.6.0, as used in Shibboleth before 2.4.3 and possibly other products, allows remote attackers to cause a denial of service (crash) via a signature using a large RSA key, which triggers a buffer overflow.
- CVSS 2.0
- 5.0 MEDIUMAV:N/AC:L/Au:N/C:N/I:N/A:P
- EPSS
- 7.72% probability · 94th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-189
- Affected
- apache/xml security for c\+\+ · shibboleth/shibboleth-sp
- Source
- secalert@redhat.com
References
- http://lists.fedoraproject.org/pipermail/package-announce/2011-July/063159.html
- http://lists.fedoraproject.org/pipermail/package-announce/2011-July/063229.html
- http://santuario.apache.org/secadv/CVE-2011-2516.txtVendor Advisory
- http://secunia.com/advisories/45151Vendor Advisory
- http://secunia.com/advisories/45191Vendor Advisory
- http://secunia.com/advisories/45198
- http://secunia.com/advisories/45491
- http://shibboleth.internet2.edu/secadv/secadv_20110706.txtVendor Advisory
- http://www.debian.org/security/2011/dsa-2277
- http://www.securityfocus.com/archive/1/518756/100/0/threaded
- http://www.securityfocus.com/bid/48611
- http://www.securitytracker.com/id?1025755
- https://exchange.xforce.ibmcloud.com/vulnerabilities/68420
- https://issues.apache.org/jira/browse/SANTUARIO-271Exploit
- https://lists.apache.org/thread.html/680e6938b6412e26d5446054fd31de2011d33af11786b989127d1cc3%40%3Ccommits.santuario.apache.org%3E
- https://lists.apache.org/thread.html/r1c07a561426ec5579073046ad7f4207cdcef452bb3100abaf908e0cd%40%3Ccommits.santuario.apache.org%3E
- http://lists.fedoraproject.org/pipermail/package-announce/2011-July/063159.html
- http://lists.fedoraproject.org/pipermail/package-announce/2011-July/063229.html
- http://santuario.apache.org/secadv/CVE-2011-2516.txtVendor Advisory
- http://secunia.com/advisories/45151Vendor Advisory
- http://secunia.com/advisories/45191Vendor Advisory
- http://secunia.com/advisories/45198
- http://secunia.com/advisories/45491
- http://shibboleth.internet2.edu/secadv/secadv_20110706.txtVendor Advisory
- http://www.debian.org/security/2011/dsa-2277
- http://www.securityfocus.com/archive/1/518756/100/0/threaded
- http://www.securityfocus.com/bid/48611
- http://www.securitytracker.com/id?1025755
- https://exchange.xforce.ibmcloud.com/vulnerabilities/68420
- https://issues.apache.org/jira/browse/SANTUARIO-271Exploit
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.