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OVAL Definitions
>
OVAL Definition Details
Id
oval:com.altx-soft.nix:def:223836
[Rus]
Version
1
Class
patch
ALTXid
450577
Language
English
Severity
High
Title
DLA-3559-1 -- libssh2 security update
Description
Vulnerabilities were found in libssh2, a client-side C library implementing the SSH2 protocol, which could lead to denial of service or remote information disclosure.
Family
unix
Platform
Debian 10
Product
libssh2
Reference
VENDOR: DLA-3559-1
VENDOR: DLA-3559-1
Id:
DLA-3559-1
Reference:
https://lists.debian.org/debian-lts-announce/2023/debian-lts-announce-202309/msg00006.html
CVE: CVE-2019-13115
CVE: CVE-2019-13115
Id:
CVE-2019-13115
Reference:
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-13115
Comment
: In libssh2 before 1.9.0, kex_method_diffie_hellman_group_exchange_sha256_key_exchange in kex.c has an integer overflow that could lead to an out-of-bounds read in the way packets are read from the server. A remote attacker who compromises a SSH server may be able to disclose sensitive information or cause a denial of service condition on the client system when a user connects to the server. This is related to an _libssh2_check_length mistake, and is different from the various issues fixed in 1.8.1, such as CVE-2019-3855.
CVSSv2 Score:
5.8
Access vector:
NETWORK
Access complexity:
MEDIUM
Authentication:
NONE
Confidentiality impact:
PARTIAL
Integrity impact:
NONE
Availability impact:
PARTIAL
CVSSv2 Vector:
AV:N/AC:M/Au:N/C:P/I:N/A:P
CVSSv3 Score:
8.1
Attack vector:
NETWORK
Attack complexity:
LOW
Privileges required:
NONE
User interaction:
REQUIRED
Scope:
UNCHANGED
Confidentiality impact:
HIGH
Integrity impact:
NONE
Availability impact:
HIGH
CVSSv3 Vector:
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:H
CWE:
125 (Out-of-bounds Read)
References:
https://github.com/libssh2/libssh2/pull/350 (MISC)
https://blog.semmle.com/libssh2-integer-overflow/ (MISC)
https://github.com/libssh2/libssh2/compare/02ecf17...42d37aa (MISC)
https://libssh2.org/changes.html (MISC)
[debian-lts-announce] 20190725 [SECURITY] [DLA 1730-3] libssh2 regression update (MLIST)
https://security.netapp.com/advisory/ntap-20190806-0002/ (CONFIRM)
https://support.f5.com/csp/article/K13322484 (CONFIRM)
[debian-lts-announce] 20211217 [SECURITY] [DLA 2848-1] libssh2 security update (MLIST)
http://packetstormsecurity.com/files/172834/libssh2-1.8.2-Out-Of-Bounds-Read.html (MISC)
[debian-lts-announce] 20230908 [SECURITY] [DLA 3559-1] libssh2 security update (MLIST)
FEDORA-2019-9d85600fc7 ()
FEDORA-2019-5885663621 ()
https://support.f5.com/csp/article/K13322484?utm_source=f5support&%3Butm_medium=RSS ()
[bookkeeper-issues] 20210628 [GitHub] [bookkeeper] padma81 opened a new issue #2746: Security Vulnerabilities in CentOS 7 image, Upgrade image to CentOS 8 ()
[bookkeeper-issues] 20210629 [GitHub] [bookkeeper] padma81 opened a new issue #2746: Security Vulnerabilities in CentOS 7 image, Upgrade image to CentOS 8 ()
CVE: CVE-2019-17498
CVE: CVE-2019-17498
Id:
CVE-2019-17498
Reference:
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-17498
Comment
: In libssh2 v1.9.0 and earlier versions, the SSH_MSG_DISCONNECT logic in packet.c has an integer overflow in a bounds check, enabling an attacker to specify an arbitrary (out-of-bounds) offset for a subsequent memory read. A crafted SSH server may be able to disclose sensitive information or cause a denial of service condition on the client system when a user connects to the server.
CVSSv2 Score:
5.8
Access vector:
NETWORK
Access complexity:
MEDIUM
Authentication:
NONE
Confidentiality impact:
PARTIAL
Integrity impact:
NONE
Availability impact:
PARTIAL
CVSSv2 Vector:
AV:N/AC:M/Au:N/C:P/I:N/A:P
CVSSv3 Score:
8.1
Attack vector:
NETWORK
Attack complexity:
LOW
Privileges required:
NONE
User interaction:
REQUIRED
Scope:
UNCHANGED
Confidentiality impact:
HIGH
Integrity impact:
NONE
Availability impact:
HIGH
CVSSv3 Vector:
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:H
CWE:
190 (Integer Overflow or Wraparound)
References:
https://github.com/kevinbackhouse/SecurityExploits/tree/8cbdbbe6363510f7d9ceec685373da12e6fc752d/libssh2/out_of_bounds_read_disconnect_CVE-2019-17498 (MISC)
https://github.com/libssh2/libssh2/blob/42d37aa63129a1b2644bf6495198923534322d64/src/packet.c#L480 (MISC)
https://blog.semmle.com/libssh2-integer-overflow-CVE-2019-17498/ (MISC)
openSUSE-SU-2019:2483 (SUSE)
[debian-lts-announce] 20191113 [SECURITY] [DLA 1991-1] libssh2 security update (MLIST)
https://github.com/libssh2/libssh2/commit/dedcbd106f8e52d5586b0205bc7677e4c9868f9c (MISC)
[debian-lts-announce] 20211217 [SECURITY] [DLA 2848-1] libssh2 security update (MLIST)
https://security.netapp.com/advisory/ntap-20220909-0004/ (CONFIRM)
http://packetstormsecurity.com/files/172835/libssh2-1.9.0-Out-Of-Bounds-Read.html (MISC)
[debian-lts-announce] 20230908 [SECURITY] [DLA 3559-1] libssh2 security update (MLIST)
FEDORA-2019-91529f19e4 ()
FEDORA-2019-ec04c34768 ()
CVE: CVE-2020-22218
CVE: CVE-2020-22218
Id:
CVE-2020-22218
Reference:
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-22218
Comment
: An issue was discovered in function _libssh2_packet_add in libssh2 1.10.0 allows attackers to access out of bounds memory.
CVSSv3 Score:
7.5
Attack vector:
NETWORK
Attack complexity:
LOW
Privileges required:
NONE
User interaction:
NONE
Scope:
UNCHANGED
Confidentiality impact:
NONE
Integrity impact:
NONE
Availability impact:
HIGH
CVSSv3 Vector:
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
CWE:
787 (Out-of-bounds Write)
References:
https://github.com/libssh2/libssh2/pull/476 (MISC)
[debian-lts-announce] 20230908 [SECURITY] [DLA 3559-1] libssh2 security update (MLIST)
https://security.netapp.com/advisory/ntap-20231006-0002/ (CONFIRM)
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