var-202204-0632
Vulnerability from variot
ncurses 6.3 before patch 20220416 has an out-of-bounds read and segmentation violation in convert_strings in tinfo/read_entry.c in the terminfo library. ncurses Exists in an out-of-bounds read vulnerability.Information is obtained and service operation is interrupted (DoS) It may be in a state. (CVE-2019-17594). ========================================================================== Ubuntu Security Notice USN-6099-1 May 23, 2023
ncurses vulnerabilities
A security issue affects these releases of Ubuntu and its derivatives:
- Ubuntu 23.04
- Ubuntu 22.10
- Ubuntu 22.04 LTS
- Ubuntu 20.04 LTS
- Ubuntu 18.04 LTS
- Ubuntu 16.04 LTS (Available with Ubuntu Pro)
- Ubuntu 14.04 LTS (Available with Ubuntu Pro)
Summary:
Several security issues were fixed in ncurses.
Software Description: - ncurses: shared libraries for terminal handling
Details:
It was discovered that ncurses was incorrectly performing bounds checks when processing invalid hashcodes. An attacker could possibly use this issue to cause a denial of service or to expose sensitive information. This issue only affected Ubuntu 18.04 LTS. (CVE-2019-17594)
It was discovered that ncurses was incorrectly handling end-of-string characters when processing terminfo and termcap files. An attacker could possibly use this issue to cause a denial of service or to expose sensitive information. This issue only affected Ubuntu 18.04 LTS. (CVE-2019-17595)
It was discovered that ncurses was incorrectly handling end-of-string characters when converting between termcap and terminfo formats. An attacker could possibly use this issue to cause a denial of service or execute arbitrary code. This issue only affected Ubuntu 18.04 LTS and Ubuntu 20.04 LTS. (CVE-2021-39537)
It was discovered that ncurses was incorrectly performing bounds checks when dealing with corrupt terminfo data while reading a terminfo file. An attacker could possibly use this issue to cause a denial of service or to expose sensitive information. This issue only affected Ubuntu 18.04 LTS, Ubuntu 20.04 LTS and Ubuntu 22.04 LTS. (CVE-2022-29458)
It was discovered that ncurses was parsing environment variables when running with setuid applications and not properly handling the processing of malformed data when doing so. A local attacker could possibly use this issue to cause a denial of service (application crash) or execute arbitrary code. (CVE-2023-29491)
Update instructions:
The problem can be corrected by updating your system to the following package versions:
Ubuntu 23.04: lib32ncurses6 6.4-2ubuntu0.1 lib32ncursesw6 6.4-2ubuntu0.1 lib32tinfo6 6.4-2ubuntu0.1 lib64ncurses6 6.4-2ubuntu0.1 lib64ncursesw6 6.4-2ubuntu0.1 lib64tinfo6 6.4-2ubuntu0.1 libncurses5 6.4-2ubuntu0.1 libncurses6 6.4-2ubuntu0.1 libncursesw5 6.4-2ubuntu0.1 libncursesw6 6.4-2ubuntu0.1 libtinfo5 6.4-2ubuntu0.1 libtinfo6 6.4-2ubuntu0.1 ncurses-bin 6.4-2ubuntu0.1
Ubuntu 22.10: lib32ncurses6 6.3+20220423-2ubuntu0.1 lib32ncursesw6 6.3+20220423-2ubuntu0.1 lib32tinfo6 6.3+20220423-2ubuntu0.1 lib64ncurses6 6.3+20220423-2ubuntu0.1 lib64ncursesw6 6.3+20220423-2ubuntu0.1 lib64tinfo6 6.3+20220423-2ubuntu0.1 libncurses5 6.3+20220423-2ubuntu0.1 libncurses6 6.3+20220423-2ubuntu0.1 libncursesw5 6.3+20220423-2ubuntu0.1 libncursesw6 6.3+20220423-2ubuntu0.1 libtinfo5 6.3+20220423-2ubuntu0.1 libtinfo6 6.3+20220423-2ubuntu0.1 ncurses-bin 6.3+20220423-2ubuntu0.1
Ubuntu 22.04 LTS: lib32ncurses6 6.3-2ubuntu0.1 lib32ncursesw6 6.3-2ubuntu0.1 lib32tinfo6 6.3-2ubuntu0.1 lib64ncurses6 6.3-2ubuntu0.1 lib64ncursesw6 6.3-2ubuntu0.1 lib64tinfo6 6.3-2ubuntu0.1 libncurses5 6.3-2ubuntu0.1 libncurses6 6.3-2ubuntu0.1 libncursesw5 6.3-2ubuntu0.1 libncursesw6 6.3-2ubuntu0.1 libtinfo5 6.3-2ubuntu0.1 libtinfo6 6.3-2ubuntu0.1 ncurses-bin 6.3-2ubuntu0.1
Ubuntu 20.04 LTS: lib32ncurses6 6.2-0ubuntu2.1 lib32ncursesw6 6.2-0ubuntu2.1 lib32tinfo6 6.2-0ubuntu2.1 lib64ncurses6 6.2-0ubuntu2.1 lib64ncursesw6 6.2-0ubuntu2.1 lib64tinfo6 6.2-0ubuntu2.1 libncurses5 6.2-0ubuntu2.1 libncurses6 6.2-0ubuntu2.1 libncursesw5 6.2-0ubuntu2.1 libncursesw6 6.2-0ubuntu2.1 libtinfo5 6.2-0ubuntu2.1 libtinfo6 6.2-0ubuntu2.1 ncurses-bin 6.2-0ubuntu2.1
Ubuntu 18.04 LTS: lib32ncurses5 6.1-1ubuntu1.18.04.1 lib32ncursesw5 6.1-1ubuntu1.18.04.1 lib32tinfo5 6.1-1ubuntu1.18.04.1 lib64ncurses5 6.1-1ubuntu1.18.04.1 lib64tinfo5 6.1-1ubuntu1.18.04.1 libncurses5 6.1-1ubuntu1.18.04.1 libncursesw5 6.1-1ubuntu1.18.04.1 libtinfo5 6.1-1ubuntu1.18.04.1 libx32ncurses5 6.1-1ubuntu1.18.04.1 libx32ncursesw5 6.1-1ubuntu1.18.04.1 libx32tinfo5 6.1-1ubuntu1.18.04.1 ncurses-bin 6.1-1ubuntu1.18.04.1
Ubuntu 16.04 LTS (Available with Ubuntu Pro): lib32ncurses5 6.0+20160213-1ubuntu1+esm3 lib32ncursesw5 6.0+20160213-1ubuntu1+esm3 lib32tinfo5 6.0+20160213-1ubuntu1+esm3 lib64ncurses5 6.0+20160213-1ubuntu1+esm3 lib64tinfo5 6.0+20160213-1ubuntu1+esm3 libncurses5 6.0+20160213-1ubuntu1+esm3 libncursesw5 6.0+20160213-1ubuntu1+esm3 libtinfo5 6.0+20160213-1ubuntu1+esm3 libx32ncurses5 6.0+20160213-1ubuntu1+esm3 libx32ncursesw5 6.0+20160213-1ubuntu1+esm3 libx32tinfo5 6.0+20160213-1ubuntu1+esm3 ncurses-bin 6.0+20160213-1ubuntu1+esm3
Ubuntu 14.04 LTS (Available with Ubuntu Pro): lib32ncurses5 5.9+20140118-1ubuntu1+esm3 lib32ncursesw5 5.9+20140118-1ubuntu1+esm3 lib32tinfo5 5.9+20140118-1ubuntu1+esm3 lib64ncurses5 5.9+20140118-1ubuntu1+esm3 lib64tinfo5 5.9+20140118-1ubuntu1+esm3 libncurses5 5.9+20140118-1ubuntu1+esm3 libncursesw5 5.9+20140118-1ubuntu1+esm3 libtinfo5 5.9+20140118-1ubuntu1+esm3 libx32ncurses5 5.9+20140118-1ubuntu1+esm3 libx32ncursesw5 5.9+20140118-1ubuntu1+esm3 libx32tinfo5 5.9+20140118-1ubuntu1+esm3 ncurses-bin 5.9+20140118-1ubuntu1+esm3
In general, a standard system update will make all the necessary changes.
References: https://ubuntu.com/security/notices/USN-6099-1 CVE-2019-17594, CVE-2019-17595, CVE-2021-39537, CVE-2022-29458, CVE-2023-29491
Package Information: https://launchpad.net/ubuntu/+source/ncurses/6.4-2ubuntu0.1 https://launchpad.net/ubuntu/+source/ncurses/6.3+20220423-2ubuntu0.1 https://launchpad.net/ubuntu/+source/ncurses/6.3-2ubuntu0.1 https://launchpad.net/ubuntu/+source/ncurses/6.2-0ubuntu2.1 https://launchpad.net/ubuntu/+source/ncurses/6.1-1ubuntu1.18.04.1
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"data": "ncurses 6.3 before patch 20220416 has an out-of-bounds read and segmentation violation in convert_strings in tinfo/read_entry.c in the terminfo library. ncurses Exists in an out-of-bounds read vulnerability.Information is obtained and service operation is interrupted (DoS) It may be in a state. (CVE-2019-17594). ==========================================================================\nUbuntu Security Notice USN-6099-1\nMay 23, 2023\n\nncurses vulnerabilities\n==========================================================================\n\nA security issue affects these releases of Ubuntu and its derivatives:\n\n- Ubuntu 23.04\n- Ubuntu 22.10\n- Ubuntu 22.04 LTS\n- Ubuntu 20.04 LTS\n- Ubuntu 18.04 LTS\n- Ubuntu 16.04 LTS (Available with Ubuntu Pro)\n- Ubuntu 14.04 LTS (Available with Ubuntu Pro)\n\nSummary:\n\nSeveral security issues were fixed in ncurses. \n\nSoftware Description:\n- ncurses: shared libraries for terminal handling\n\nDetails:\n\nIt was discovered that ncurses was incorrectly performing bounds\nchecks when processing invalid hashcodes. An attacker could possibly\nuse this issue to cause a denial of service or to expose sensitive\ninformation. This issue only affected Ubuntu 18.04 LTS. \n(CVE-2019-17594)\n\nIt was discovered that ncurses was incorrectly handling\nend-of-string characters when processing terminfo and termcap files. \nAn attacker could possibly use this issue to cause a denial of\nservice or to expose sensitive information. This issue only affected\nUbuntu 18.04 LTS. (CVE-2019-17595)\n\nIt was discovered that ncurses was incorrectly handling\nend-of-string characters when converting between termcap and\nterminfo formats. An attacker could possibly use this issue to cause\na denial of service or execute arbitrary code. This issue only\naffected Ubuntu 18.04 LTS and Ubuntu 20.04 LTS. (CVE-2021-39537)\n\nIt was discovered that ncurses was incorrectly performing bounds\nchecks when dealing with corrupt terminfo data while reading a\nterminfo file. An attacker could possibly use this issue to cause a\ndenial of service or to expose sensitive information. This issue only\naffected Ubuntu 18.04 LTS, Ubuntu 20.04 LTS and Ubuntu 22.04 LTS. \n(CVE-2022-29458)\n\nIt was discovered that ncurses was parsing environment variables when\nrunning with setuid applications and not properly handling the\nprocessing of malformed data when doing so. A local attacker could\npossibly use this issue to cause a denial of service (application\ncrash) or execute arbitrary code. (CVE-2023-29491)\n\nUpdate instructions:\n\nThe problem can be corrected by updating your system to the following\npackage versions:\n\nUbuntu 23.04:\n lib32ncurses6 6.4-2ubuntu0.1\n lib32ncursesw6 6.4-2ubuntu0.1\n lib32tinfo6 6.4-2ubuntu0.1\n lib64ncurses6 6.4-2ubuntu0.1\n lib64ncursesw6 6.4-2ubuntu0.1\n lib64tinfo6 6.4-2ubuntu0.1\n libncurses5 6.4-2ubuntu0.1\n libncurses6 6.4-2ubuntu0.1\n libncursesw5 6.4-2ubuntu0.1\n libncursesw6 6.4-2ubuntu0.1\n libtinfo5 6.4-2ubuntu0.1\n libtinfo6 6.4-2ubuntu0.1\n ncurses-bin 6.4-2ubuntu0.1\n\nUbuntu 22.10:\n lib32ncurses6 6.3+20220423-2ubuntu0.1\n lib32ncursesw6 6.3+20220423-2ubuntu0.1\n lib32tinfo6 6.3+20220423-2ubuntu0.1\n lib64ncurses6 6.3+20220423-2ubuntu0.1\n lib64ncursesw6 6.3+20220423-2ubuntu0.1\n lib64tinfo6 6.3+20220423-2ubuntu0.1\n libncurses5 6.3+20220423-2ubuntu0.1\n libncurses6 6.3+20220423-2ubuntu0.1\n libncursesw5 6.3+20220423-2ubuntu0.1\n libncursesw6 6.3+20220423-2ubuntu0.1\n libtinfo5 6.3+20220423-2ubuntu0.1\n libtinfo6 6.3+20220423-2ubuntu0.1\n ncurses-bin 6.3+20220423-2ubuntu0.1\n\nUbuntu 22.04 LTS:\n lib32ncurses6 6.3-2ubuntu0.1\n lib32ncursesw6 6.3-2ubuntu0.1\n lib32tinfo6 6.3-2ubuntu0.1\n lib64ncurses6 6.3-2ubuntu0.1\n lib64ncursesw6 6.3-2ubuntu0.1\n lib64tinfo6 6.3-2ubuntu0.1\n libncurses5 6.3-2ubuntu0.1\n libncurses6 6.3-2ubuntu0.1\n libncursesw5 6.3-2ubuntu0.1\n libncursesw6 6.3-2ubuntu0.1\n libtinfo5 6.3-2ubuntu0.1\n libtinfo6 6.3-2ubuntu0.1\n ncurses-bin 6.3-2ubuntu0.1\n\nUbuntu 20.04 LTS:\n lib32ncurses6 6.2-0ubuntu2.1\n lib32ncursesw6 6.2-0ubuntu2.1\n lib32tinfo6 6.2-0ubuntu2.1\n lib64ncurses6 6.2-0ubuntu2.1\n lib64ncursesw6 6.2-0ubuntu2.1\n lib64tinfo6 6.2-0ubuntu2.1\n libncurses5 6.2-0ubuntu2.1\n libncurses6 6.2-0ubuntu2.1\n libncursesw5 6.2-0ubuntu2.1\n libncursesw6 6.2-0ubuntu2.1\n libtinfo5 6.2-0ubuntu2.1\n libtinfo6 6.2-0ubuntu2.1\n ncurses-bin 6.2-0ubuntu2.1\n\nUbuntu 18.04 LTS:\n lib32ncurses5 6.1-1ubuntu1.18.04.1\n lib32ncursesw5 6.1-1ubuntu1.18.04.1\n lib32tinfo5 6.1-1ubuntu1.18.04.1\n lib64ncurses5 6.1-1ubuntu1.18.04.1\n lib64tinfo5 6.1-1ubuntu1.18.04.1\n libncurses5 6.1-1ubuntu1.18.04.1\n libncursesw5 6.1-1ubuntu1.18.04.1\n libtinfo5 6.1-1ubuntu1.18.04.1\n libx32ncurses5 6.1-1ubuntu1.18.04.1\n libx32ncursesw5 6.1-1ubuntu1.18.04.1\n libx32tinfo5 6.1-1ubuntu1.18.04.1\n ncurses-bin 6.1-1ubuntu1.18.04.1\n\nUbuntu 16.04 LTS (Available with Ubuntu Pro):\n lib32ncurses5 6.0+20160213-1ubuntu1+esm3\n lib32ncursesw5 6.0+20160213-1ubuntu1+esm3\n lib32tinfo5 6.0+20160213-1ubuntu1+esm3\n lib64ncurses5 6.0+20160213-1ubuntu1+esm3\n lib64tinfo5 6.0+20160213-1ubuntu1+esm3\n libncurses5 6.0+20160213-1ubuntu1+esm3\n libncursesw5 6.0+20160213-1ubuntu1+esm3\n libtinfo5 6.0+20160213-1ubuntu1+esm3\n libx32ncurses5 6.0+20160213-1ubuntu1+esm3\n libx32ncursesw5 6.0+20160213-1ubuntu1+esm3\n libx32tinfo5 6.0+20160213-1ubuntu1+esm3\n ncurses-bin 6.0+20160213-1ubuntu1+esm3\n\nUbuntu 14.04 LTS (Available with Ubuntu Pro):\n lib32ncurses5 5.9+20140118-1ubuntu1+esm3\n lib32ncursesw5 5.9+20140118-1ubuntu1+esm3\n lib32tinfo5 5.9+20140118-1ubuntu1+esm3\n lib64ncurses5 5.9+20140118-1ubuntu1+esm3\n lib64tinfo5 5.9+20140118-1ubuntu1+esm3\n libncurses5 5.9+20140118-1ubuntu1+esm3\n libncursesw5 5.9+20140118-1ubuntu1+esm3\n libtinfo5 5.9+20140118-1ubuntu1+esm3\n libx32ncurses5 5.9+20140118-1ubuntu1+esm3\n libx32ncursesw5 5.9+20140118-1ubuntu1+esm3\n libx32tinfo5 5.9+20140118-1ubuntu1+esm3\n ncurses-bin 5.9+20140118-1ubuntu1+esm3\n\nIn general, a standard system update will make all the necessary changes. \n\nReferences:\n https://ubuntu.com/security/notices/USN-6099-1\n CVE-2019-17594, CVE-2019-17595, CVE-2021-39537, CVE-2022-29458,\n CVE-2023-29491\n\nPackage Information:\n https://launchpad.net/ubuntu/+source/ncurses/6.4-2ubuntu0.1\nhttps://launchpad.net/ubuntu/+source/ncurses/6.3+20220423-2ubuntu0.1\n https://launchpad.net/ubuntu/+source/ncurses/6.3-2ubuntu0.1\n https://launchpad.net/ubuntu/+source/ncurses/6.2-0ubuntu2.1\nhttps://launchpad.net/ubuntu/+source/ncurses/6.1-1ubuntu1.18.04.1\n\n",
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Sightings
| Author | Source | Type | Date |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
- Confirmed: The vulnerability is confirmed from an analyst perspective.
- Exploited: This vulnerability was exploited and seen by the user reporting the sighting.
- Patched: This vulnerability was successfully patched by the user reporting the sighting.
- Not exploited: This vulnerability was not exploited or seen by the user reporting the sighting.
- Not confirmed: The user expresses doubt about the veracity of the vulnerability.
- Not patched: This vulnerability was not successfully patched by the user reporting the sighting.