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Shannon Baseband Negative-Size Memcpy / Out-Of-Bounds Read

Shannon Baseband Negative-Size Memcpy / Out-Of-Bounds Read
Posted May 11, 2023
Authored by Ivan Fratric, Google Security Research

There is a negative-size memcpy (heap overflow) when decoding the body of SIP multipart messages. According to debug strings in the modem image, this functionality is implemented in IMSPL_SipFragDecode.

tags | exploit, overflow
advisories | CVE-2023-29089
SHA-256 | 008713e1403417d96115cab8cea235d3b9c02eefab2c7765ee120627abe0c5b3
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