CVE-2024-2961

Summary

The iconv() function in the GNU C Library versions 2.39 and older may overflow the output buffer passed to it by up to 4 bytes when converting strings to the ISO-2022-CN-EXT character set, which may be used to crash an application or overwrite a neighbouring variable.

Affected Software

Weaknesses

• CWE-787: CWE-787 Out-of-bounds Write

ADP Enrichment

CISA ADP Vulnrichment

• SSVC:
• Exploitation: poc
  • Automatable: no
  • Technical Impact: partial

CVE Program Container

Additional References

• https://www.ambionics.io/blog/iconv-cve-2024-2961-p1
• https://www.ambionics.io/blog/iconv-cve-2024-2961-p2
• https://www.ambionics.io/blog/iconv-cve-2024-2961-p3
• https://sourceware.org/git/?p=glibc.git;a=blob;f=advisories/GLIBC-SA-2024-0004
• https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/P3I4KYS6EU6S7QZ47WFNTPVAHFIUQNEL/
• https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/YAMJQI3Y6BHWV3CUTYBXOZONCUJNOB2Z/
• https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/BTJFBGHDYG5PEIFD5WSSSKSFZ2AZWC5N/
• http://www.openwall.com/lists/oss-security/2024/04/24/2
• http://www.openwall.com/lists/oss-security/2024/04/17/9
• http://www.openwall.com/lists/oss-security/2024/04/18/4
• https://lists.debian.org/debian-lts-announce/2024/05/msg00001.html
• http://www.openwall.com/lists/oss-security/2024/05/27/2
• http://www.openwall.com/lists/oss-security/2024/05/27/6
• http://www.openwall.com/lists/oss-security/2024/05/27/1
• http://www.openwall.com/lists/oss-security/2024/05/27/4
• http://www.openwall.com/lists/oss-security/2024/05/27/5
• http://www.openwall.com/lists/oss-security/2024/05/27/3
• https://security.netapp.com/advisory/ntap-20240531-0002/
• http://www.openwall.com/lists/oss-security/2024/07/22/5

Additional References

• https://cert-portal.siemens.com/productcert/html/ssa-082556.html

References

• https://sourceware.org/git/?p=glibc.git;a=blob;f=advisories/GLIBC-SA-2024-0004
• https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/P3I4KYS6EU6S7QZ47WFNTPVAHFIUQNEL/
• https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/YAMJQI3Y6BHWV3CUTYBXOZONCUJNOB2Z/
• https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/BTJFBGHDYG5PEIFD5WSSSKSFZ2AZWC5N/
• http://www.openwall.com/lists/oss-security/2024/04/24/2
• http://www.openwall.com/lists/oss-security/2024/04/17/9
• http://www.openwall.com/lists/oss-security/2024/04/18/4
• https://lists.debian.org/debian-lts-announce/2024/05/msg00001.html
• http://www.openwall.com/lists/oss-security/2024/05/27/2
• http://www.openwall.com/lists/oss-security/2024/05/27/6
• http://www.openwall.com/lists/oss-security/2024/05/27/1
• http://www.openwall.com/lists/oss-security/2024/05/27/4
• http://www.openwall.com/lists/oss-security/2024/05/27/5
• http://www.openwall.com/lists/oss-security/2024/05/27/3
• https://security.netapp.com/advisory/ntap-20240531-0002/
• http://www.openwall.com/lists/oss-security/2024/07/22/5

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