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Vulnerability details: VCID-ttd7-kkyc-aaan
Vulnerability ID VCID-ttd7-kkyc-aaan
Aliases CVE-2011-0495
Summary Stack-based buffer overflow in the ast_uri_encode function in main/utils.c in Asterisk Open Source before 1.4.38.1, 1.4.39.1, 1.6.1.21, 1.6.2.15.1, 1.6.2.16.1, 1.8.1.2, 1.8.2.; and Business Edition before C.3.6.2; when running in pedantic mode allows remote authenticated users to execute arbitrary code via crafted caller ID data in vectors involving the (1) SIP channel driver, (2) URIENCODE dialplan function, or (3) AGI dialplan function.
Status Published
Exploitability 0.5
Weighted Severity 5.4
Risk 2.7
Affected and Fixed Packages Package Details
Weaknesses (1)
CWE-787 Out-of-bounds Write
System Score Found at
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epss 0.02835 https://api.first.org/data/v1/epss?cve=CVE-2011-0495
epss 0.03238 https://api.first.org/data/v1/epss?cve=CVE-2011-0495
epss 0.03238 https://api.first.org/data/v1/epss?cve=CVE-2011-0495
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epss 0.16926 https://api.first.org/data/v1/epss?cve=CVE-2011-0495
cvssv2 6.0 https://nvd.nist.gov/vuln/detail/CVE-2011-0495
Reference id Reference type URL
http://downloads.asterisk.org/pub/security/AST-2011-001-1.6.2.diff
http://downloads.asterisk.org/pub/security/AST-2011-001.html
http://lists.fedoraproject.org/pipermail/package-announce/2011-February/053689.html
http://lists.fedoraproject.org/pipermail/package-announce/2011-February/053713.html
http://osvdb.org/70518
https://api.first.org/data/v1/epss?cve=CVE-2011-0495
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2011-0495
http://secunia.com/advisories/42935
http://secunia.com/advisories/43119
http://secunia.com/advisories/43373
https://exchange.xforce.ibmcloud.com/vulnerabilities/64831
http://www.debian.org/security/2011/dsa-2171
http://www.securityfocus.com/archive/1/515781/100/0/threaded
http://www.securityfocus.com/bid/45839
http://www.vupen.com/english/advisories/2011/0159
http://www.vupen.com/english/advisories/2011/0281
http://www.vupen.com/english/advisories/2011/0449
610487 https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=610487
cpe:2.3:a:digium:asterisk:*:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:a:digium:asterisk:*:*:*:*:*:*:*:*
cpe:2.3:a:digium:asterisk:*:*:*:*:business:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:a:digium:asterisk:*:*:*:*:business:*:*:*
cpe:2.3:a:digium:asterisknow:1.5:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:a:digium:asterisknow:1.5:*:*:*:*:*:*:*
cpe:2.3:o:debian:debian_linux:6.0:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:o:debian:debian_linux:6.0:*:*:*:*:*:*:*
cpe:2.3:o:fedoraproject:fedora:13:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:o:fedoraproject:fedora:13:*:*:*:*:*:*:*
cpe:2.3:o:fedoraproject:fedora:14:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:o:fedoraproject:fedora:14:*:*:*:*:*:*:*
CVE-2011-0495 https://nvd.nist.gov/vuln/detail/CVE-2011-0495
No exploits are available.
Vector: AV:N/AC:M/Au:S/C:P/I:P/A:P Found at https://nvd.nist.gov/vuln/detail/CVE-2011-0495
Exploitability (E) Access Vector (AV) Access Complexity (AC) Authentication (Au) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

high

functional

unproven

proof_of_concept

not_defined

local

adjacent_network

network

high

medium

low

multiple

single

none

none

partial

complete

none

partial

complete

none

partial

complete
Exploit Prediction Scoring System (EPSS)
Percentile 0.6183
EPSS Score 0.00472
Published At March 28, 2025, 12:55 p.m.
Date Actor Action Source VulnerableCode Version
There are no relevant records.