#VU33509 Input validation error - CVE-2011-0764
Vulnerability identifier: #VU33509
Vulnerability risk: Medium
CVSSv4.0: 2.7 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:U/U:Green]
CVE-ID:
CWE-ID:
CWE-20
Exploitation vector: Network
Exploit availability: No
Description
The vulnerability allows a remote non-authenticated attacker to read and manipulate data.
t1lib 5.1.2 and earlier, as used in Xpdf before 3.02pl6, teTeX, and other products, uses an invalid pointer in conjunction with a dereference operation, which allows remote attackers to execute arbitrary code via a crafted Type 1 font in a PDF document, as demonstrated by testz.2184122398.pdf.
Mitigation
Install update from vendor's website.
External links
https://rhn.redhat.com/errata/RHSA-2012-1201.html
https://secunia.com/advisories/43823
https://secunia.com/advisories/47347
https://secunia.com/advisories/48985
https://securityreason.com/securityalert/8171
https://securitytracker.com/id?1025266
https://www.foolabs.com/xpdf/download.html
https://www.kb.cert.org/vuls/id/376500
https://www.kb.cert.org/vuls/id/MAPG-8ECL8X
https://www.mandriva.com/security/advisories?name=MDVSA-2012:002
https://www.mandriva.com/security/advisories?name=MDVSA-2012:144
https://www.securityfocus.com/archive/1/517205/100/0/threaded
https://www.securityfocus.com/bid/46941
https://www.toucan-system.com/advisories/tssa-2011-01.txt
https://www.ubuntu.com/usn/USN-1316-1
https://www.vupen.com/english/advisories/2011/0728
https://exchange.xforce.ibmcloud.com/vulnerabilities/66208
https://security.gentoo.org/glsa/201701-57
Q & A
Can this vulnerability be exploited remotely?
Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.
