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    16 vulnerabilities found for libpcap by tcpdump

    CVE-2024-8006 (GCVE-0-2024-8006)

    Vulnerability from cvelistv5 – Published: 2024-08-30 23:53 – Updated: 2024-09-03 19:17
    VLAI
    Title
    NULL pointer dereference in libpcap before 1.10.5 with remote packet capture support
    Summary
    Remote packet capture support is disabled by default in libpcap. When a user builds libpcap with remote packet capture support enabled, one of the functions that become available is pcap_findalldevs_ex(). One of the function arguments can be a filesystem path, which normally means a directory with input data files. When the specified path cannot be used as a directory, the function receives NULL from opendir(), but does not check the return value and passes the NULL value to readdir(), which causes a NULL pointer derefence.
    SSVC
    Exploitation: none Automatable: no Technical Impact: partial
    CISA Coordinator (v2.0.3)
    CWE
    • CWE-476 - NULL Pointer Dereference
    Assigner
    Impacted products
    Vendor Product Version
    The Tcpdump Group libpcap Affected: 1.9.x
    Affected: 1.10.x , ≤ 1.10.4 (semver)
    Create a notification for this product.
    Credits
    Flavio Toffalini Nicolas Badoux
    Show details on NVD website

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              "value": "Nicolas Badoux"
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    CVE-2023-7256 (GCVE-0-2023-7256)

    Vulnerability from cvelistv5 – Published: 2024-08-30 23:44 – Updated: 2024-09-03 20:07
    VLAI
    Title
    Double-free in libpcap before 1.10.5 with remote packet capture support.
    Summary
    In affected libpcap versions during the setup of a remote packet capture the internal function sock_initaddress() calls getaddrinfo() and possibly freeaddrinfo(), but does not clearly indicate to the caller function whether freeaddrinfo() still remains to be called after the function returns. This makes it possible in some scenarios that both the function and its caller call freeaddrinfo() for the same allocated memory block. A similar problem was reported in Apple libpcap, to which Apple assigned CVE-2023-40400.
    SSVC
    Exploitation: none Automatable: no Technical Impact: partial
    CISA Coordinator (v2.0.3)
    CWE
    Assigner
    Impacted products
    Vendor Product Version
    The Tcpdump Group libpcap Affected: 1.8.x
    Affected: 1.9.x
    Affected: 1.10.x , ≤ 1.10.4 (semver)
    Create a notification for this product.
    Credits
    Dora Sweet
    Show details on NVD website

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    CVE-2019-15165 (GCVE-0-2019-15165)

    Vulnerability from cvelistv5 – Published: 2019-10-03 18:38 – Updated: 2025-12-03 19:06
    VLAI
    Summary
    sf-pcapng.c in libpcap before 1.9.1 does not properly validate the PHB header length before allocating memory.
    SSVC
    Exploitation: none Automatable: yes Technical Impact: partial
    CISA Coordinator (v2.0.3)
    CWE
    • n/a
    • CWE-770 - Allocation of Resources Without Limits or Throttling
    Assigner
    References
    Show details on NVD website

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    CVE-2019-15164 (GCVE-0-2019-15164)

    Vulnerability from cvelistv5 – Published: 2019-10-03 18:36 – Updated: 2024-08-05 00:42
    VLAI
    Summary
    rpcapd/daemon.c in libpcap before 1.9.1 allows SSRF because a URL may be provided as a capture source.
    Severity
    No CVSS data available.
    CWE
    • n/a
    Assigner
    Show details on NVD website

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    CVE-2019-15163 (GCVE-0-2019-15163)

    Vulnerability from cvelistv5 – Published: 2019-10-03 18:34 – Updated: 2024-08-05 00:42
    VLAI
    Summary
    rpcapd/daemon.c in libpcap before 1.9.1 allows attackers to cause a denial of service (NULL pointer dereference and daemon crash) if a crypt() call fails.
    Severity
    No CVSS data available.
    CWE
    • n/a
    Assigner
    Show details on NVD website

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    CVE-2019-15162 (GCVE-0-2019-15162)

    Vulnerability from cvelistv5 – Published: 2019-10-03 18:32 – Updated: 2024-08-05 00:42
    VLAI
    Summary
    rpcapd/daemon.c in libpcap before 1.9.1 on non-Windows platforms provides details about why authentication failed, which might make it easier for attackers to enumerate valid usernames.
    Severity
    No CVSS data available.
    CWE
    • n/a
    Assigner
    Show details on NVD website

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    CVE-2019-15161 (GCVE-0-2019-15161)

    Vulnerability from cvelistv5 – Published: 2019-10-03 18:24 – Updated: 2024-08-05 00:42
    VLAI
    Summary
    rpcapd/daemon.c in libpcap before 1.9.1 mishandles certain length values because of reuse of a variable. This may open up an attack vector involving extra data at the end of a request.
    Severity
    No CVSS data available.
    CWE
    • n/a
    Assigner
    Show details on NVD website

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    CVE-2011-1935 (GCVE-0-2011-1935)

    Vulnerability from cvelistv5 – Published: 2017-10-20 18:00 – Updated: 2024-08-06 22:46
    VLAI
    Summary
    pcap-linux.c in libpcap 1.1.1 before commit ea9432fabdf4b33cbc76d9437200e028f1c47c93 when snaplen is set may truncate packets, which might allow remote attackers to send arbitrary data while avoiding detection via crafted packets.
    Severity
    No CVSS data available.
    CWE
    • n/a
    Assigner
    Date Public
    2011-02-25 00:00
    Show details on NVD website

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    CVE-2024-8006 (GCVE-0-2024-8006)

    Vulnerability from nvd – Published: 2024-08-30 23:53 – Updated: 2024-09-03 19:17
    VLAI
    Title
    NULL pointer dereference in libpcap before 1.10.5 with remote packet capture support
    Summary
    Remote packet capture support is disabled by default in libpcap. When a user builds libpcap with remote packet capture support enabled, one of the functions that become available is pcap_findalldevs_ex(). One of the function arguments can be a filesystem path, which normally means a directory with input data files. When the specified path cannot be used as a directory, the function receives NULL from opendir(), but does not check the return value and passes the NULL value to readdir(), which causes a NULL pointer derefence.
    SSVC
    Exploitation: none Automatable: no Technical Impact: partial
    CISA Coordinator (v2.0.3)
    CWE
    • CWE-476 - NULL Pointer Dereference
    Assigner
    Impacted products
    Vendor Product Version
    The Tcpdump Group libpcap Affected: 1.9.x
    Affected: 1.10.x , ≤ 1.10.4 (semver)
    Create a notification for this product.
    Credits
    Flavio Toffalini Nicolas Badoux
    Show details on NVD website

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    CVE-2023-7256 (GCVE-0-2023-7256)

    Vulnerability from nvd – Published: 2024-08-30 23:44 – Updated: 2024-09-03 20:07
    VLAI
    Title
    Double-free in libpcap before 1.10.5 with remote packet capture support.
    Summary
    In affected libpcap versions during the setup of a remote packet capture the internal function sock_initaddress() calls getaddrinfo() and possibly freeaddrinfo(), but does not clearly indicate to the caller function whether freeaddrinfo() still remains to be called after the function returns. This makes it possible in some scenarios that both the function and its caller call freeaddrinfo() for the same allocated memory block. A similar problem was reported in Apple libpcap, to which Apple assigned CVE-2023-40400.
    SSVC
    Exploitation: none Automatable: no Technical Impact: partial
    CISA Coordinator (v2.0.3)
    CWE
    Assigner
    Impacted products
    Vendor Product Version
    The Tcpdump Group libpcap Affected: 1.8.x
    Affected: 1.9.x
    Affected: 1.10.x , ≤ 1.10.4 (semver)
    Create a notification for this product.
    Credits
    Dora Sweet
    Show details on NVD website

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    CVE-2019-15165 (GCVE-0-2019-15165)

    Vulnerability from nvd – Published: 2019-10-03 18:38 – Updated: 2025-12-03 19:06
    VLAI
    Summary
    sf-pcapng.c in libpcap before 1.9.1 does not properly validate the PHB header length before allocating memory.
    SSVC
    Exploitation: none Automatable: yes Technical Impact: partial
    CISA Coordinator (v2.0.3)
    CWE
    • n/a
    • CWE-770 - Allocation of Resources Without Limits or Throttling
    Assigner
    References
    Show details on NVD website

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    CVE-2019-15164 (GCVE-0-2019-15164)

    Vulnerability from nvd – Published: 2019-10-03 18:36 – Updated: 2024-08-05 00:42
    VLAI
    Summary
    rpcapd/daemon.c in libpcap before 1.9.1 allows SSRF because a URL may be provided as a capture source.
    Severity
    No CVSS data available.
    CWE
    • n/a
    Assigner
    Show details on NVD website

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    CVE-2019-15163 (GCVE-0-2019-15163)

    Vulnerability from nvd – Published: 2019-10-03 18:34 – Updated: 2024-08-05 00:42
    VLAI
    Summary
    rpcapd/daemon.c in libpcap before 1.9.1 allows attackers to cause a denial of service (NULL pointer dereference and daemon crash) if a crypt() call fails.
    Severity
    No CVSS data available.
    CWE
    • n/a
    Assigner
    Show details on NVD website

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    CVE-2019-15162 (GCVE-0-2019-15162)

    Vulnerability from nvd – Published: 2019-10-03 18:32 – Updated: 2024-08-05 00:42
    VLAI
    Summary
    rpcapd/daemon.c in libpcap before 1.9.1 on non-Windows platforms provides details about why authentication failed, which might make it easier for attackers to enumerate valid usernames.
    Severity
    No CVSS data available.
    CWE
    • n/a
    Assigner
    Show details on NVD website

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    CVE-2019-15161 (GCVE-0-2019-15161)

    Vulnerability from nvd – Published: 2019-10-03 18:24 – Updated: 2024-08-05 00:42
    VLAI
    Summary
    rpcapd/daemon.c in libpcap before 1.9.1 mishandles certain length values because of reuse of a variable. This may open up an attack vector involving extra data at the end of a request.
    Severity
    No CVSS data available.
    CWE
    • n/a
    Assigner
    Show details on NVD website

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    CVE-2011-1935 (GCVE-0-2011-1935)

    Vulnerability from nvd – Published: 2017-10-20 18:00 – Updated: 2024-08-06 22:46
    VLAI
    Summary
    pcap-linux.c in libpcap 1.1.1 before commit ea9432fabdf4b33cbc76d9437200e028f1c47c93 when snaplen is set may truncate packets, which might allow remote attackers to send arbitrary data while avoiding detection via crafted packets.
    Severity
    No CVSS data available.
    CWE
    • n/a
    Assigner
    Date Public
    2011-02-25 00:00
    Show details on NVD website

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